Launches
ON RECORD17MISSIONS
17 of them reached orbit. The earliest was 1961, the most recent 2025.
MARKED ON THIS DATE
1930 · 96 years ago today
Pluto found
Clyde Tombaugh spotted a moving point of light while comparing photographic plates at Lowell Observatory.
read more2021 · 5 years ago today
Perseverance lands in Jezero
Perseverance was lowered into Jezero Crater by a rocket-powered stage that filmed the descent.
read moreARCHIVE // DAY OF YEAR
17 orbital launches flew on February 18, the earliest of them in 1961, and 17 reached orbit. Wikipedia records 6 spaceflight and astronomy events on February 18. Below are the pictures NASA published on February 18 in 6 different years — each one taken or released on this exact date.
17MISSIONS
17 of them reached orbit. The earliest was 1961, the most recent 2025.
6ENTRIES
Spaceflight and astronomy entries from Wikipedia's record of this date, oldest first — from -3102 onward.
6IMAGES
NASA's Astronomy Picture of the Day for February 18, 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.
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.
© Dave Doctor — 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.
© Jens Bydal — used with the credit NASA publishes
-3102
According to Hindu scriptures, Kali Yuga, the last of the four stages that the world goes through as part of the cycle of yugas, began.
4th millennium BC ↗1977
NASA's first Space Shuttle, Enterprise, made its first test flight on top of the Shuttle Carrier Aircraft (both pictured).
NASA ↗1977
The Space Shuttle Enterprise test vehicle is carried on its maiden "flight" on top of a Boeing 747.
Space Shuttle Enterprise ↗2021
Perseverance, a Mars rover designed to explore Jezero crater on Mars, as part of NASA's Mars 2020 mission, lands successfully.
Perseverance (rover) ↗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.