Launches
ON RECORD23MISSIONS
22 of them succeeded. The earliest was in 1963 and the latest in 2025.
ARCHIVE // DAY OF YEAR
23 launches flew on November 27, the earliest of them in 1963, and 22 of them succeeded. Wikipedia lists 4 spaceflight and astronomy events on November 27. Pick another date to see what happened on it.
23MISSIONS
22 of them succeeded. The earliest was in 1963 and the latest in 2025.
4ENTRIES
Spaceflight and astronomy entries from Wikipedia for this date, oldest first, starting in 1971.
0IMAGES
There's no Astronomy Picture of the Day we can show for this date.
1971
The Soviet space program's Mars 2 orbiter releases a descent module. It malfunctions and crashes, but it is the first man-made object to reach the surface of Mars.
Soviet space program ↗1985
Space Shuttle program: Atlantis launches on STS-61-B, with Rodolfo Neri Vela becoming the first Mexican astronaut.
Space Shuttle program ↗2001
Astronomers announced the detection of sodium in the atmosphere of the extrasolar planet HD 209458 b (artist's impression pictured), the first exoplanet atmosphere to be measured.
Sodium ↗2001
A hydrogen atmosphere is discovered on the extrasolar planet Osiris by the Hubble Space Telescope, the first atmosphere detected on an extrasolar planet.
Hydrogen ↗Astronomy and spaceflight books for a general reader. No textbooks.
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LISTING
Sagan's tour of the universe and how we came to understand it. It keeps the science in.
LISTING
Sagan's case for people leaving Earth one day, and an honest look at how hard that would be.
LISTING
A science-fiction novel from the author of The Martian, built around solving one engineering problem after another.
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LINKS AMAZON.COM
Event text and thumbnails come from Wikipedia and are used under CC BY-SA 4.0. Images come only from Wikimedia Commons, which doesn't accept non-free content. Each thumbnail links to its file page, which lists its licence and author.
Launch records are from The Space Devs’ Launch Library 2. Pictures are NASA’s Astronomy Picture of the Day. Many of them belong to the photographer or a partner agency, so we only show the ones credited to NASA alone.