Launches
ON RECORD25MISSIONS
24 of them reached orbit. The earliest was 1962, the most recent 2026.
MARKED ON THIS DATE
1990 · 36 years ago today
Hubble goes up
Discovery carried the Hubble Space Telescope to orbit; the flaw in its mirror would not be found for two months.
read more1970 · 56 years ago today
China's first satellite
Dong Fang Hong 1 reached orbit on a Long March 1 and broadcast a song back to the ground.
read moreARCHIVE // DAY OF YEAR
25 orbital launches flew on April 24, the earliest of them in 1962, and 24 reached orbit. Wikipedia records 4 spaceflight and astronomy events on April 24. Below are the pictures NASA published on April 24 in 6 different years — each one taken or released on this exact date.
25MISSIONS
24 of them reached orbit. The earliest was 1962, the most recent 2026.
4ENTRIES
Spaceflight and astronomy entries from Wikipedia's record of this date, oldest first — from 1967 onward.
6IMAGES
NASA's Astronomy Picture of the Day for April 24, one per year. Some are public domain and some belong to the photographer — each says which.
NASA’s Astronomy Picture of the Day, for this calendar date in each of the last several years.

2026
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
© Giorgia Hofer — used with the credit NASA publishes

2025
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
© Daniel Stern — used with the credit NASA publishes

2024
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NASA · public domain

2023
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NASA · public domain

2022
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NASA · public domain

2021
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
NASA · public domain
1967
Cosmonaut Vladimir Komarov dies in Soyuz 1 when its parachute fails to open. He is the first human to die during a space mission.
Astronaut ↗1970
China launches Dong Fang Hong I, becoming the fifth nation to put an object into orbit using its own booster.
Dong Fang Hong 1 ↗1990
The Hubble Space Telescope was launched aboard STS-31 by Space Shuttle Discovery.
Hubble Space Telescope ↗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.
BROWSE opens an Amazon search, not a specific recommendation.
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.