Launches
ON RECORD22MISSIONS
20 of them reached orbit. The earliest was 1960, the most recent 2025.
ARCHIVE // DAY OF YEAR
22 orbital launches flew on November 23, the earliest of them in 1960, and 20 reached orbit. Wikipedia records 5 spaceflight and astronomy events on November 23. Pick another date to see what happened on it.
22MISSIONS
20 of them reached orbit. The earliest was 1960, the most recent 2025.
5ENTRIES
Spaceflight and astronomy entries from Wikipedia's record of this date, oldest first — from 1924 onward.
0IMAGES
No Astronomy Picture of the Day is available for this date.
1924
The New York Times published evidence from Edwin Hubble (pictured) stating that the Andromeda Nebula, previously believed to be part of the Milky Way, is in fact another galaxy.
The New York Times ↗1924
Edwin Hubble's discovery, that the Andromeda "nebula" is actually another island galaxy far outside our own Milky Way, is first published in The New York Times.
Edwin Hubble ↗2002
Space Shuttle Endeavour launches on STS-113 to the International Space Station carrying the Expedition 6 crew and the P1 truss.
Space Shuttle Endeavour ↗2015
Blue Origin's New Shepard space vehicle became the first rocket to successfully fly to space and then return to Earth for a controlled, vertical landing.
Blue Origin ↗General-audience astronomy and spaceflight — none of it a textbook.
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LISTING
Still the best single argument for why any of this matters, and it leaves the arithmetic in. For a reader who wants the science, not just the awe.
LISTING
The case for leaving Earth, written by someone unsentimental about how hard that is. Suits readers who want the argument rather than the poster.
LISTING
Hard-SF problem solving in The Martian's key — for anyone who liked the engineering more than the peril. The only novel on this list.
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LINKS AMAZON.COM
Event text and thumbnails come from Wikipedia and are used under CC BY-SA 4.0. Images are drawn only from Wikimedia Commons, which does not accept non-free content — each thumbnail links to its file page, where its licence and author are recorded.
Launch records are from The Space Devs’ Launch Library 2. Pictures are NASA’s Astronomy Picture of the Day; NASA imagery is generally not subject to copyright, but individual APOD entries are frequently the property of the photographer, and each caption says which applies.