Launches
ON RECORD16MISSIONS
14 of them reached orbit. The earliest was 1967, the most recent 2026.
MARKED ON THIS DATE
1997 · 29 years ago today
Pathfinder bounces down on Mars
Mars Pathfinder landed inside airbags and released Sojourner, the first rover to drive on another planet.
read more2016 · 10 years ago today
Juno reaches Jupiter
Juno fired its main engine for thirty-five minutes to slow into orbit around Jupiter, inside the strongest radiation belts in the solar system.
read moreARCHIVE // DAY OF YEAR
16 orbital launches flew on July 4, the earliest of them in 1967, and 14 reached orbit. Wikipedia records 7 spaceflight and astronomy events on July 4. Below are the pictures NASA published on July 4 in 6 different years — each one taken or released on this exact date.
16MISSIONS
14 of them reached orbit. The earliest was 1967, the most recent 2026.
7ENTRIES
Spaceflight and astronomy entries from Wikipedia's record of this date, oldest first — from 1054 onward.
6IMAGES
NASA's Astronomy Picture of the Day for July 4, 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.
NASA · public domain

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.
© Alberto Pisabarro — 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.
© Jesús Carmona Guillén — used with the credit NASA publishes

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
1054
Chinese astronomers recorded the sudden appearance of a "guest star", later identified as the supernova that created the Crab Nebula (pictured).
Chinese astronomy ↗1054
A supernova, called SN 1054, is seen by Chinese Song dynasty, Arab, and possibly indigenous American observers near the star Zeta Tauri. For several months it remains bright enough to be seen during the day. Its remnants form the Crab Nebula.
SN 1054 ↗1982
Space Shuttle program: Columbia lands at Edwards Air Force Base at the end of the program's final test flight, STS-4. President Ronald Reagan declares the Space Shuttle to be operational.
Space Shuttle program ↗1998
Japan launches the Nozomi probe to Mars, joining the United States and Russia as a space exploring nation.
Nozomi (spacecraft) ↗2006
Space Shuttle program: Discovery launches STS-121 to the International Space Station. The event gained wide media attention as it was the only shuttle launch in the program's history to occur on the United States' Independence Day.
Space Shuttle program ↗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.