95+ Astronomy Trivia Questions

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

Quiz Questions

How many planets are there in the Solar System (including Pluto)?
9
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In which year did the first space shuttle launch?
1981
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What star is labeled Alpha Ursa Minoris?
Polaris
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Which is the slowest orbiting planet?
Pluto
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What does the astronomical object called Charon orbit?
Pluto
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What is the cargo of a spacecraft called?
Payload
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What kind of star system is Algol?
Binary Star System
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What satellite series was known as "fellow traveler"?
Sputnik
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How many days was Skylab III in space?
84
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To any astronaut, what is an EVA?
Extravehicular Activity
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What is the study of stars, planets and galaxies called?
Astronomy
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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 is the name of the spacecraft that took the first men to the moon?
Apollo 11
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Which gas comprises most of Venus' atmosphere?
Carbon Dioxide
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How many moons does Earth have?
1
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What is the second planet in distance from the sun?
Venus
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Which constellation are the stars Castor and Pollux in?
Gemini
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Which astronomical body is 3.67 billion miles from the sun?
Pluto
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What is a huge group of stars, gas and dust in space called?
Galaxy
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What agency maintains the U.S. space program?
NASA
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Where is the Sun plotted on the Hertzprung-Russell diagram?
Main Sequence
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What year was the celestial object Pluto discovered?
1930
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The Horsehead Nebula can be found in what constellation?
Orion
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How long does it take Mars to rotate on its axis?
24 Hr 37 Min
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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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