Launches
ON RECORD29MISSIONS
26 of them succeeded. The earliest was in 1958 and the latest in 2025.
ARCHIVE // DAY OF YEAR
29 launches flew on December 4, the earliest of them in 1958, and 26 of them succeeded. Wikipedia lists 3 spaceflight and astronomy events on December 4. Pick another date to see what happened on it.
29MISSIONS
26 of them succeeded. The earliest was in 1958 and the latest in 2025.
3ENTRIES
Spaceflight and astronomy entries from Wikipedia for this date, oldest first, starting in 1639.
0IMAGES
There's no Astronomy Picture of the Day we can show for this date.
1639
Jeremiah Horrocks and William Crabtree made the first successful observation of a transit of Venus (example pictured) from Earth.
Jeremiah Horrocks ↗1965
Launch of Gemini 7 with crew members Frank Borman and Jim Lovell. The Gemini 7 spacecraft was the passive target for the first crewed space rendezvous performed by the crew of Gemini 6A.
Gemini 7 ↗1998
The Unity Module, the second module of the International Space Station, is launched.
Unity (ISS module) ↗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.