Space & Astronomy Trivia
Planets and their moons, stars and galaxies, black holes, and the missions and astronauts that took us off the ground. Space trivia covers both the universe and how we learned about it.
Every answer is typed. Each question comes with a short fact, many of which are hard to believe.
- 229questions
- 67easy
- 60medium
- 102hard
What's covered
- Planets
- Moons
- Stars & galaxies
- Space missions
- Astronauts
- Telescopes
Space & Astronomy Trivia: sample questions
Answer in your head, then tap to check. In the game you type it.
- easy
In 2006, the International Astronomical Union voted to strip which long-standing ninth planet of full planet status, reclassifying it as a 'dwarf planet'?
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Pluto
Despite being smaller than Earth's Moon, this dwarf planet has five known moons, the largest of which, Charon, is more than half its own size.
- easy
What is the term for a scientist who studies stars, planets, and other objects in space?
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Astronomer
Galileo Galilei is often called the father of modern astronomy for his pioneering telescope observations starting in 1609.
- medium
What is the name of SpaceX's workhorse rocket, known for its first stage landing itself upright on a pad or a floating drone ship for reuse?
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Falcon 9
In December 2015 a Falcon 9 first stage (Flight 20, the Orbcomm-2 mission) became the first orbital-class rocket booster ever to land upright after launching a payload to orbit, touching down at Landing Zone 1, Cape Canaveral.
- medium
Which constellation, representing a hunter in Greek mythology, is known for its three aligned 'belt' stars?
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Orion
Orion's Belt is made up of three bright stars — Alnitak, Alnilam, and Mintaka — arranged in a nearly straight line.
- hard
Which Soviet spacecraft became the first to achieve a soft landing on the Moon, touching down in the Ocean of Storms on February 3, 1966?
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Luna 9
Luna 9's photos of the lunar surface were secretly intercepted by Britain's Jodrell Bank Observatory and published by a UK newspaper (the Daily Express) before the Soviet Union officially released them.
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