95+ Astronomy Trivia Questions

How many of these Astronomy Trivia quiz questions can you answer?

Quiz Questions

What is Jupiter mostly made of?
Gas
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What does the astronomical object called Charon orbit?
Pluto
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How many stars make up the Big Dipper?
7
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What is the place where projectors are used to show the night sky?
Planetarium
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What is the "disk" that encircles a black hole called?
Accretion Disk
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What are the "Big Dipper" and "Orion" examples of in the night sky?
Constellations
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The path traveled by a body in space is known as what?
Orbit
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What is the opposite to ordinary matter called?
Antimatter
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What was the first probe to land on Venus?
Venera 9
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Who described the rings of Saturn as "ears of a teacup"?
Galileo
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Which branch of science did young Carl Sagan tell his grandfather he wanted to practice?
Astronomy
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What was the element mercury named after?
The Roman Messenger God
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Which Apollo mission was launched on January 31, 1971?
Apollo 14
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What is Pluto's period of revolution around the sun?
247.7 Earth Years
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Which constellation represents a hunter with weapons?
Orion
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What kind of star system is Algol?
Binary Star System
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What fraction of Earth's gravity is the Moon's gravity?
One-Sixth
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Who first proposed the heliocentric model of the solar system?
Aristarcus
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What star, next to the Sun, is nearest to Earth?
Alpha Centauri
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What year was the celestial object Pluto discovered?
1930
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What was the name of the first manned space vehicle?
Vostok 1
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Who was the third person to walk on the moon?
Pete Conrad
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How long does it take Mars to rotate on its axis?
24 Hr 37 Min
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What is a meteoroid called if it lands on the Earth's surface?
Meteorite
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Astronomy Trivia

Did you know why the sun and the moon appear to be the same size in the sky even though the sun is 400 times larger than the moon? It turns out it’s all to do with perspective as the moon is 400 times further away from Earth. Cool, huh? Learn more about this scientific subject, including famous astronauts, constellations, star signs, planets, and terminology, in these astronomy trivia questions and answers.

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