Launches
ON RECORD15MISSIONS
12 of them reached orbit. The earliest was 1960, the most recent 2025.
ARCHIVE // DAY OF YEAR
15 orbital launches flew on February 4, the earliest of them in 1960, and 12 reached orbit. Wikipedia records 4 spaceflight and astronomy events on February 4. Below are the pictures NASA published on February 4 in 6 different years — each one taken or released on this exact date.
15MISSIONS
12 of them reached orbit. The earliest was 1960, the most recent 2025.
4ENTRIES
Spaceflight and astronomy entries from Wikipedia's record of this date, oldest first — from 1801 onward.
6IMAGES
NASA's Astronomy Picture of the Day for February 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.
NASA · public domain

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.
© Mike Selby — used with the credit NASA publishes

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.
© Robert Fedez — used with the credit NASA publishes

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
1801
John Marshall, whose court opinions helped lay the basis for U.S. constitutional law and made the Supreme Court a coequal branch of government, took office as chief justice.
John Marshall ↗1846
The first Mormon pioneers make their exodus from Nauvoo, Illinois, westward towards Salt Lake Valley.
Mormon pioneers ↗1967
Lunar Orbiter program: Lunar Orbiter 3 lifts off from Cape Canaveral's Launch Complex 13 on its mission to identify possible landing sites for the Surveyor and Apollo spacecraft.
Lunar Orbiter 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.