Wikan Boy 123
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editHi Wikan Boy 123! I noticed your contributions and wanted to welcome you to the Wikipedia community. I hope you like it here and decide to stay.
As you get started, you may find this short tutorial helpful:
Alternatively, the contributing to Wikipedia page covers the same topics.
If you have any questions, we have a friendly space where experienced editors can help you here:
If you are not sure where to help out, you can find a task here:
Happy editing! JML1148 (Talk | Contribs) 06:38, 5 May 2023 (UTC)
Requesting immediate archiving... Wikan Boy 123 (talk) 09:47, 7 May 2025 (UTC)
- Thanks!
Test black list link tracking
edithttps://seeker.com Wikan Boy 123 (talk) 06:20, 21 December 2024 (UTC)
Requesting immediate archiving... Wikan Boy 123 (talk) 09:47, 7 May 2025 (UTC)
Welcome to Wikipedia!
editHello, Wikan Boy 123, and welcome to Wikipedia!
An edit that you recently made seemed to be a test and has been removed. If you want more practice editing, please use the sandbox.
Here are a few links to pages you might find helpful:
- Introduction and Getting started
- Contributing to Wikipedia
- The five pillars of Wikipedia
- How to edit a page and How to develop articles
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- Simplified Manual of Style
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You may also want to take the Wikipedia Adventure, an interactive tour that will help you learn the basics of editing Wikipedia. You can visit the Teahouse to ask questions or seek help.
Please remember to sign your messages on talk pages by typing four tildes (~~~~); this will automatically insert your username and the date. If you need help, check out Wikipedia:Questions, ask me on my talk page, or , and a volunteer should respond shortly. Again, welcome! Wikan Boy 123 (talk) 08:13, 7 January 2025 (UTC)
Requesting immediate archiving... Wikan Boy 123 (talk) 09:47, 7 May 2025 (UTC)
Speedy deletion nomination of RedWarn
editHello Wikan Boy 123,
I wanted to let you know that I just tagged RedWarn for deletion, because it's a redirect from an article title to a namespace that's not for articles.
If you don't want RedWarn to be deleted, you can contest this deletion, but don't remove the speedy deletion tag from the top.
You can leave a note on my talk page if you have questions. Thanks!
Message delivered via the Page Curation tool, on behalf of the reviewer.
Adamtt9 (talk) 13:07, 11 January 2025 (UTC)
Requesting immediate archiving... Wikan Boy 123 (talk) 09:47, 7 May 2025 (UTC)
"RedWarn" listed at Redirects for discussion
edit
The redirect RedWarn has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Anyone, including you, is welcome to comment on this redirect at Wikipedia:Redirects for discussion/Log/2025 January 11 § RedWarn until a consensus is reached. SilverLocust 💬 14:29, 11 January 2025 (UTC)
Requesting immediate archiving... Wikan Boy 123 (talk) 09:47, 7 May 2025 (UTC)
The Downlink Volume 3, Issue 4
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2025 1 — 30 April |
| Volume 3 — Issue 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Article of the month
The Apollo Abort Guidance System (AGS, also known as Abort Guidance Section) was a backup computer system providing an abort capability in the event of failure of the Lunar Module's primary guidance system (Apollo PGNCS) during descent, ascent or rendezvous. As an abort system, it did not support guidance for a lunar landing. The AGS was designed by TRW independently of the development of the Apollo Guidance Computer and PGNCS. It was the first navigation system to use a strapdown Inertial Measurement Unit rather than a gimbaled gyrostabilized IMU (as used by PGNCS). Although not as accurate as the gimbaled IMU, it provided satisfactory accuracy with the help of the optical telescope and rendezvous radar. It was also lighter and smaller in size. |
Image of the month
Falcon 9 Full Thrust
Starting development in 2014, the Falcon 9 Full Thrust is a variant of the Falcon 9 that is the first orbital rocket to have a first stage successfully land vertically after launch. The stage shown here is from the April 2016 SpaceX CRS-8 mission, after landing on the autonomous spaceport drone ship Of Course I Still Love You. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members:
Number of active members: 208.
Total number of members: 433.
April Launches
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Article Statistics This data reflects values from 30 April 2025.
Monthly Changes
Since March 2025, four new high-importance, two new mid-importance, twenty new low-importance, and two new NA-importance articles have been created. Four unknown-importance articles have been removed, for a total of 24 new articles. One article has been promoted to Featured Article status. There are also five more B-class articles, eighteen more C-class articles, eleven more Start-class articles, six fewer Stub-class articles, and six more lists. Special thanks to Neopeius for significantly working on some of the Timeline of spaceflight articles (specifically 1953, 54, 55, and most recently 56). Thanks also to Sotakarhu for table work in the latter. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The Downlink Volume 3, Issue 5
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2025 1 — 31 May |
| Volume 3 — Issue 5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Article of the month
2001 Mars Odyssey is a robotic spacecraft orbiting the planet Mars. The project was developed by NASA, and contracted out to Lockheed Martin, with an expected cost for the entire mission of US$297 million. Its mission is to use spectrometers and a thermal imager to detect evidence of past or present water and ice, as well as study the planet's geology and radiation environment. The data Odyssey obtains is intended to help answer the question of whether life once existed on Mars and create a risk-assessment of the radiation that future astronauts on Mars might experience. It also acts as a relay for communications between the Curiosity rover, and previously the Mars Exploration Rovers and Phoenix lander, to Earth. The mission was named as a tribute to Arthur C. Clarke, evoking the name of his and Stanley Kubrick's 1968 film 2001: A Space Odyssey. Odyssey was launched April 7, 2001, on a Delta II rocket from Cape Canaveral Air Force Station, and reached Mars orbit on October 24, 2001, at 02:30 UTC (October 23, 19:30 PDT, 22:30 EDT). It was estimated to have enough propellant to function until the end of 2025, and as of April 2026, it is still collecting data. It currently holds the record for the longest-surviving continually active spacecraft in orbit around a planet other than Earth, ahead of the Pioneer Venus Orbiter (served 14 years) and the Mars Express (serving over 20 years), at 24 years, 7 months and 21 days. As of October 2019[update] it is in a polar orbit around Mars with a semi-major axis of about 3,800 km or 2,400 miles. |
Image of the month
International Space Station after LF1
Starting with Zarya in November 1998, the assembly of the International Space Station continued on a regular basis until the Space Shuttle Columbia disaster, which resulted in a nearly three-year pause from November 2002 to July 2005. This image shows the ISS following the installation of the second External stowage platform. ESP-2 was launched on 26 July 2005 on board Discovery as part of STS-114. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members:
Number of active members: 209.
Total number of members: 434.
May Launches
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Article Statistics This data reflects values from 30 May 2025.
Monthly Changes
Since April 2025, three new mid-importance, nine new low-importance, and three new unknown-importance articles have been created, for a total of 15 new articles. There is also one less B-class article, 14 more C-class articles, six more Start-class articles, four less Stub-class articles, and three more lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The Downlink Volume 3, Issue 6
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| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2025 1 — 30 June |
| Volume 3 — Issue 6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Article of the month
Gaganyaan-1 (from Sanskrit: gagana, "celestial" and yāna, "craft, vehicle") is the first planned uncrewed test flight of the Gaganyaan programme. ISRO has officially scheduled the mission for H2 2026. The spacecraft will carry Vyommitra, a half-humanoid robot, to simulate astronaut conditions and provide critical data on life-support and environmental systems. The mission will demonstrate the performance of the crew module and service module in low Earth orbit, serving as a precursor to future human spaceflight under the Indian Human Spaceflight Programme. The launch was originally scheduled for December 2020, then in December 2021, but it was delayed due to the COVID-19 pandemic. The flight plan was finally ready by April 2022 and the launch is expected to take place in early 2025, after the TV-D1, TV-D2, TV-D3 and TV-D4. It was proposed in April 2022 that the crew module should be depressurized, something kept in the final planning. The Gaganyaan spacecraft will be launched, with the humanoid robot Vyommitra, by a Human-rated LVM 3 from Satish Dhawan Space Centre and inserted into a 170 x 408 km orbit. The circularisation maneuver will be performed at the third orbit. The landing should follow the same pattern as the TV-D1. The mission will also validate the life-support system, crew escape mechanism, and re-entry technologies. |
Image of the month
Hybrid-Propellant Rocket Fuel
Rocket engines typically use one of two types of propellant: Solid or liquid. Hybrid-propellant rockets use a combination of these two forms of fuel, and lack some of the disadvantages of both. Their specific impulse is usually between solid-propellant and liquid-propellant rockets. The image shown here is of a 3D-printed grain, designed for a small hybrid rocket engine which would be used to demonstrate rocket combustion. On the left are two helical fuel ports, on the right a de Laval nozzle. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members:
Number of active members: 210.
Total number of members: 436.
June Launches
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Article Statistics This data reflects values from 30 June 2025.
Monthly Changes
Since May 2025, one new high-importance, two new mid-importance, ten new low-importance, four new NA-importance, and twelve new unknown-importance articles have been created, for a total of 29 new articles. There is also one fewer A-class article, one more GA-class article, six more B-class articles, 13 more C-class articles, ten more Start-class articles, seven fewer Stub-class articles, and five more lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The Downlink Volume 3, Issue 7
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2025 1 — 31 July |
| Volume 3 — Issue 7 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Article of the month
Automaton Rover for Extreme Environments (AREE) is a NASA Innovative Advanced Concepts project to design a rover that can operate in the environment of Venus, controlled by a wind-powered mechanical computer. Venus's atmosphere is about 90 times denser than Earth's and the surface temperature is at least 462 °C (864 °F), conditions which would prevent a standard electronic computer from operating for any significant period of time. While AREE is being designed for operation on Venus, the rover's design could be re-purposed for use on Mercury, which has a comparably high surface temperature, on Jovian moons Europa or Io, where high radiation makes use of traditional electronics difficult, or on lava flows or highly radioactive areas on Earth. The project was first proposed in 2015, and funded by the NASA Innovative Advanced Concepts program with a phase-I study in 2016, and a phase-II study from 2017 to 2018. |
Image of the month
Buzz Aldrin's bootprint on the Moon
In July of 1969, Apollo 11 successfully fulfilled John F. Kennedy's goal of a person landing on, and returning from, the moon before the 1970s. Taking off on 16 July, the lunar lander, Eagle, touched down on the evening of the 20th (UTC). Neil Armstrong and Buzz Aldrin exited the lander six hours later, becoming the first men on the moon. The pair stayed on the lunar surface for about 21 hours. This image is actually the second of a pair of images, taken by Aldrin so that the lunar surface's ability to bear weight could be measured. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members:
Number of active members: 213.
Total number of members: 439.
June Launches
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Article Statistics This data reflects values from 31 July 2025.
Monthly Changes
Since June 2025, there are seven fewer high-importance, six new mid-importance, three new low-importance, three new NA-importance, and 29 new unknown-importance articles, for a total of 34 more articles. There is also one GA-class article, three more B-class articles, three more C-class articles, 18 more Start-class articles, two fewer Stub-class articles, and one fewer lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MediaWiki message delivery (talk) 23:48, 8 August 2025 (UTC)
The Downlink Volume 3, Issue 8
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2025 1 — 31 August |
| Volume 3 — Issue 8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Article of the month
NAOS (National Advanced Optical System) is a high-resolution Earth observation satellite developed by OHB Italia for the Luxembourg Directorate of Defence as part of the Luxembourg Earth Observation System (LUXEOSys). Designed for dual-use governmental and military purposes, NAOS provides very high-resolution optical imagery for applications in defense, security, and humanitarian efforts, supporting organizations such as NATO, European Union, and the United Nations. The satellite was launched on August 26, 2025, aboard a SpaceX Falcon 9 rocket from Vandenberg Space Force Base, California. NAOS will be operated by LUXEOPs, consortium consisting of RHEA System Luxembourg, LUXSPACE, OHB and RHEA System. |
Image of the month
Apollo 15 Lunar Module
Launched on 26 July, 1971, Apollo 15 was the fourth Apollo mission to successfully land on the moon, and the first of the longer, more science-focused J Missions. Landing at Hadley–Apennine on the 30, Commander David Scott and Lunar Module Pilot James Irwin (Irwin on left) stayed on the moon's surface until 2 August, while Command Module Pilot Alfred Worden stayed in orbit, collecting a variety of data on the moon. Apollo 15 was the first mission to use the Lunar Roving Vehicle (on right), which allowed Scott and Irwin to travel farther from the Lunar Lander (center) than previously possible. On 4 August, the lunar orbiter departed from orbit at the end of Apollo 15's 74th lunar orbit. On the 5, Worden performed an EVA which lasted 39 minutes. This was the first of three deep-space EVAs, all performed during J Missions. The command module landed in the North Pacific Ocean on the 7, with the command module and crew being recovered by USS Okinawa. Apollo 15 was the longest Apollo mission, lasting for a total of 12 days and 7 hours, until Apollo 17, which lasted 12 days, 13 hours, and 52 minutes. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members: No new members Number of active members: 213.
Total number of members: 439.
August Launches
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Article Statistics This data reflects values from 31 August 2025.
Monthly Changes
Since July 2025, there is one new top-importance, one fewer high-importance, two new mid-importance, 13 new low-importance, 47 new NA-importance, and seven new unknown-importance articles, for a total of 69 more articles. There is also one more GA-class article, two more B-class articles, 18 more C-class articles, 12 more Start-class articles, and 16 fewer Stub-class articles. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MediaWiki message delivery (talk) 18:22, 21 September 2025 (UTC)
The Downlink Volume 3, Issue 9
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| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2025 1 — 30 September |
| Volume 3 — Issue 9 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
In the News
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| Article of the month
Project POSTAR was the first space experiment created entirely by members of the Boy Scouts of America. On September 12, 1992, Space Shuttle Endeavour mission STS-47 carried 10 Get Away Special (GAS) canisters. Amongst these GAS cansisters was G-102 sponsored by the Boy Scouts of America's Exploring Division in cooperation with the TRW Systems Integration Group, Fairfax, Virginia. The project was named Project POSTAR. (The name was a combination of the words "Post" and "Star"). |
Image of the month
Space Shuttle Enterprise
The Space Shuttle Enterprise (OV-101) was the first orbiter built in the Space Shuttle program. Designed for atmospheric test flights, it lacked both engines and a heat shield, making it unable to go to space. Rolled out on 17 September 1976, it was initially named Constitution, but was renamed following a large letter-writing campaign from Trekkies. Unlike its eponym, the USS Enterprise from the original Star Trek series, OV-101 never achieved spaceflight; originally intended to be refitted to become the second space-rated orbiter after Columbia, changes to the design of the Space Shuttle made it both simpler and cheaper to instead construct a new shuttle, Challenger, around a test article. It was later considered for refitting following the Challenger disaster, but it was instead decided to build a replacement, Endeavour, out of spare parts from the construction of Discovery and Atlantis. Enterprise flew a total of five times, from 12 August to 26 October, 1977. It was then flown to Marshall Space Flight Center in Alabama, where it was placed into the Saturn V dynamic test stand for the Mated Vertical Ground Vibration Testing, in order to test the Space Shuttle's launch stack. It was then used for a variety of fit checks at Kennedy Space Center and Vandenberg Air Force Base, between which it toured Europe and North America, including a showing at the 1984 Louisiana World Exposition. It was then moved to the Smithsonian Institution's National Air and Space Museum on 18 November 1985. It was then moved to its present location aboard the USS Intrepid museum ship on 12 December 2011. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members:
Number of active members: 214.
Total number of members: 440.
September Launches
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Article Statistics This data reflects values from 30 September 2025.
Monthly Changes
Since August 2025, there are seven fewer high-importance, seven more mid-importance, 28 more low-importance, three more NA-importance, and twelve more unknown-importance articles, for a total of 43 more articles. There is also one more GA-class article, 11 fewer B-class articles, 28 fewer C-class articles, 65 more Start-class articles, 42 fewer Stub-class articles, and two more lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MediaWiki message delivery (talk) 07:11, 19 October 2025 (UTC)
The Downlink Volume 3, Issue 10
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| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2025 1 October — 30 November |
| Volume 3 — Issue 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
In the News
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Featured Content
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| Article of the month
Zond 6 was a formal member of the Soviet Zond program, and an unpiloted version of the Soyuz 7K-L1 crewed Moon-flyby spacecraft. It was launched on a lunar flyby mission on November 10, 1968, from a parent satellite (68-101B) in Earth parking orbit. The spacecraft carried a biological payload of turtles, flies, and bacteria. It also carried scientific probes including cosmic ray, micrometeoroid detectors, and photographic equipment. The mission was a precursor to a crewed circumlunar flight which the Soviets hoped could occur in December 1968, thus beating the American Apollo 8. However, after rounding the Moon on November 14, Zond 6 crashed on its return to Earth, due to a parachute failure when the parachute was detached from the capsule too early. |
Image of the month
Explosion on the Cygnus CRS Orb-3
On 28 October, 2014, Cygnus Orb-3 was launched at 22:22:38 UTC. 15 seconds after liftoff, one of the launch vehicle's AJ26 (modified NK-33s) ruptured, resulting in the craft falling. The mission was scrubbed eight seconds later at 22:23:01 UTC. The subsequent investigation found that the liquid oxygen turbopump exploded, severing nearby propellant lines. This resulted in a fire that damaged various engine components. The cause of the LOX turbopump's failure remains unknown. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members:
Number of active members: 217.
Total number of members: 444.
October–November Launches
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Article Statistics This data reflects values from 30 November 2025.
Monthly Changes
Since September 2025, there are one more high-importance, three more mid-importance, 56 more low-importance, eleven more eight NA-importance, and 42 more unknown-importance articles, for a total of 113 more articles. There are also eight more B-class articles, 43 more C-class articles, 28 more Start-class articles, 25 more Stub-class articles, and three more lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MediaWiki message delivery (talk) 06:46, 26 December 2025 (UTC)
The Downlink Volume 3, Issue 11
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2025 1 — 31 December |
| Volume 3 — Issue 11 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
In the News
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Featured Content
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| Article of the month
PROCYON (Proximate Object Close flyby with Optical Navigation) was an asteroid flyby space probe that was launched together with Hayabusa2 on 3 December 2014 13:22:04 (JST). It was developed by University of Tokyo and JAXA. It was a small (70 kg, approx. 60 cm cube), low cost (¥500 million) spacecraft. It was intended to flyby the asteroid (185851) 2000 DP107 in 2016, but the plan was abandoned due to the malfunction of the ion thruster. |
Image of the month
STS-116 spacewalk
STS-116 was the 33rd mission of the Space Shuttle Discovery. Launched in the late evening of 6 December, the main aims of the mission were the installation of one of the International Space Station's Integrated Truss Structure segments, rewiring of the power system, and personnel exchange. Also known as ISS-12A.1, STS-116 was the first mission to include a Swedish astronaut, Christer Fuglesang. It returned to Earth in the evening of 22 December. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members: none Number of active members: 218.
Total number of members: 445.
December Launches
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Article Statistics This data reflects values from 31 December 2025.
Monthly Changes
Since November 2025, there are one more mid-importance, 29 more low-importance, two more NA-importance, and 20 more unknown-importance class articles, for a total of 52 more articles. There are also one more FA-class articles, one less GA-class articles, ten more C-class articles, 20 more Start-class articles, eleven more Stub-class articles, and four more lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MediaWiki message delivery (talk) 02:27, 17 January 2026 (UTC)
The Downlink Volume 4, Issue 1
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2026 1 — 31 January |
| Volume 4 — Issue 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
In the News
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| Article of the month
Exoplanetary Circumstellar Environments and Disk Explorer (EXCEDE) is a proposed space telescope for NASA's Explorer program to observe circumstellar protoplanetary and debris discs and study planet formation around nearby (within 100 parsecs) stars of spectral classes M to B. Had it been selected for development, it was proposed to launch in 2019. The spacecraft concept proposed to use a 70 centimeter diameter telescope-mounted coronagraph called PIAA (Phase Induced Amplitude Apodized Coronagraph) to suppress starlight in order to be able to detect fainter radiation of circumstellar dust. Characterizing constitution of such disks would provide clues for planetary formation (mostly in habitable zones), while already existing exoplanets can be detected through their interaction with dust disk. The project's Principal Investigator is Glenn Schneider. |
Image of the month
Wernher von Braun with the Rocketdyne F-1 engines
Pictured here are two titans of spaceflight history: Dr. Wernher von Braun, one of the main figures of the early American space program and designer of both the Saturn V and V-2 rockets, and five (four visible) Rocketdyne F-1 engines, used on the Saturn V Dynamic Test Vehicle. Dr. von Braun's career is noted for a great number of achievements in human spaceflight, including the Apollo mission which successfully put human beings on the moon; nevertheless, it is burdened with the shadow of his activities in the Nazi Party, especially concerning his work on the V-2. The engines behind him, in addition to being immense, have the honor of being the only engines used to get humans to the moon, as of the time of writing. Developed in the late 1950s, the 8,400 kilograms (18,500 lb) engines are still the most powerful single combustion chamber liquid-propellant rocket ever made. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members:
Number of active members: 219. Total number of members: 446.
January Launches |
Article Statistics This data reflects values from 31 January 2026.
Monthly Changes
Since December 2025, there are two fewer top-importance, two more high-importance, two more mid-importance, 19 more low-importance, 20 more NA-importance, and 31 more unknown-importance articles, for a total of 72 new articles. There are also three more GA-class, three more B-class, twelve more C-class, eleven more Start-class, and eleven more Stub-class articles, and three more lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The Downlink Volume 4, Issue 2
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2026 1 — 28 February |
| Volume 4 — Issue 2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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In the News
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| Article of the month
A parking orbit is a temporary orbit used during the launch of a spacecraft. A launch vehicle follows a trajectory to the parking orbit, then coasts for a while, then engines fire again to enter the final desired trajectory. An alternative trajectory that is used on some missions is direct injection, where the rocket fires continuously (except during staging) until its fuel is exhausted, ending with the payload on the final trajectory. This technique was first used by the Soviet Venera 1 mission to Venus in 1961. |
Image of the month
Space Shuttle Endeavour prior to rendezvous with the International Space Station
Part of a series of photographs, this image depicts the Space Shuttle Endeavour prior to rendezvous and docking with the International Space Station as part of STS-130 in 2010. It was taken from the station by a member of Expedition 22 when the ISS was 183 nautical miles above the South Pacific, off the coast of southern Chile. Earth is in the bottom-left; the orange part of the atmosphere is the troposphere, the white band in the middle is the stratosphere, and the blue section is the mesosphere. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members: none Number of active members: 219.
Total number of members: 446.
February Launches
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Article Statistics This data reflects values from 28 February 2026.
Monthly Changes
Since January 2026, there are two more mid-importance, fifteen more low-importance, three more NA-importance, and ten more unknown-importance articles, for a total of 30 new articles. There are also three more B-class, thirteen more C-class, sixteen more Start-class, and ten fewer Stub-class articles, and four more lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
MediaWiki message delivery (talk) 02:34, 26 March 2026 (UTC)
The Downlink Volume 4, Issue 3
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2026 1 — 31 March |
| Volume 4 — Issue 3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
In the News
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| Article of the month
OTV-2 (also known as USA-226) was the first flight of the second Boeing X-37B, an American unmanned robotic vertical-takeoff, horizontal-landing spaceplane. It was launched aboard an Atlas V rocket from Cape Canaveral on 5 March 2011, and landed at Vandenberg Air Force Base on 16 June 2012. It operated in low Earth orbit. Its USA-226 mission designation is part of the USA series. The spaceplane was operated by Air Force Space Command, which has not revealed the specific identity of the payload for the first flight. The Air Force stated only that the spacecraft would "demonstrate various experiments and allow satellite sensors, subsystems, components, and associated technology to be transported into space and back." |
Image of the month
STS-1
STS-1 (Space Transportation System-1) was the first orbital spaceflight of NASA's Space Shuttle program. The first orbiter, Columbia, launched on April 12, 1981, and returned on April 14, 1981, 54.5 hours later, having orbited the Earth 37 times. Columbia carried a crew of two—commander John W. Young and pilot Robert L. Crippen. It was the first American crewed space flight since the Apollo–Soyuz Test Project (ASTP) in 1975. STS-1 was also the maiden test flight of a new American spacecraft to carry a crew, though it was preceded by atmospheric testing (ALT) of the orbiter and ground testing of the Space Shuttle system. The launch occurred on the 20th anniversary of Vostok 1, the first human spaceflight, performed by Yuri Gagarin for the USSR. This was a coincidence rather than a celebration of the anniversary; a technical problem had prevented STS-1 from launching two days earlier, as was planned. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members: Swedmark111 (26 March) Number of active members: 220.
Total number of members: 447.
March Launches
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Article Statistics This data reflects values from 31 March 2026.
Monthly Changes
Since February 2026, there are 16 more Low-importance, eleven more NA-importance, and eleven more Unknown-importance articles, for a total of 38 new articles. There are also one more GA-class, one more B-class, 14 more C-class, 19 more Start-class, one fewer Stub-class articles, and three more lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MediaWiki message delivery (talk) 17:38, 29 April 2026 (UTC)
The Downlink Volume 4, Issue 4
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2026 1 — 30 April |
| Volume 4 — Issue 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
In the News
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| Featured Content
The image "STS-133 Space Shuttle Discovery after undocking" was promoted to Featured Media status on 30 April. It was nominated by Moonreach. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Article of the month
The Gallaudet Eleven were a group of eleven deaf men recruited in the late 1950s and 1960s to participate in a joint research program led by NASA and the U.S. Naval School of Aviation Medicine (later changed to Aerospace Medical Association) to study the effects of prolonged weightlessness on the human body. They were selected for participation in the study because damage they had sustained to the vestibular systems of their inner ears had granted them immunity to motion sickness, making them uniquely resilient to certain physical studies that would have made other test subjects nauseous. |
Image of the month
Clayton Anderson under weightlessness
A demonstration of weightlessness by astronaut Clayton Anderson, particularly its effect on liquids. The water's surface tension keeps it in a sphere, which here results in the light reflecting off of Anderson being refracted in such a way that it appears upside-down. It is only upside-down relative to Anderson, as there is no "up" or "down" in a weightless environment beyond convention. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members:
Number of active members: 225.
Total number of members: 454.
April Launches
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Article Statistics This data reflects values from 30 April 2026.
Monthly Changes
Since March 2026, there are one fewer Mid-importance, 28 more Low-importance, four more NA-importance, and 27 more Unknown-importance articles, for a total of 58 new articles. There are also one fewer GA-class, five more B-class, 33 more C-class, two fewer Start-class, 23 more Stub-class articles, and three more lists. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The Downlink Volume 4, Issue 5
edit| The Downlink | The WikiProject Spaceflight Newsletter | |
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| 2026 1 — 31 May |
| Volume 4 — Issue 5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Spaceflight Project • Project discussion • Members • Assessment • Open tasks • Popular pages • The Downlink | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
In the News
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| Article of the month
The Polyus spacecraft (Russian: Полюс, pole), also known as Polus, Skif-DM, GRAU index 17F19DM, was a prototype Soviet orbital weapons platform designed to destroy Strategic Defense Initiative satellites with a megawatt carbon-dioxide laser. It had a Functional Cargo Block derived from a TKS spacecraft to control its orbit and it could launch test targets to demonstrate the fire control system. |
Image of the month
Integrated Truss Structure of the ISS
This graphic is an exploded view of the Integrated Truss Structure, the long segment that has the ISS' distinctive solar panels. The first piece, Z1, was installed in October 2000, while the most recent addition, S6, being installed in October 2007; the current configuration of the ITS dates to June 2023. In addition to providing electricity via the solar panels, the ITS is the location of energy storage, with battery assemblies on the P4/6 and S4/6 segments. These each consist of 24 lithium-ion batteries, for a total of 96 batteries. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Members
New Members:
Number of active members: 230.
Total number of members: 460.
May Launches |
Article Statistics This data reflects values from 31 May 2026.
Monthly Changes
Since April 2026, there are one fewer Top-importance, two fewer High-importance, eight more Mid-importance, 17 more Low-importance, two more NA-importance, and twenty more Unknown-importance articles, for a total of 44 new articles. There are also five more B-class, eleven more C-class, six more Start-class, 18 more Stub-class articles, and one more list. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Discuss & propose changes to The Downlink at The Downlink talk page. To unsubscribe from the newsletter remove your name from the Mailing list. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||

















