95+ Astronomy Trivia Questions

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

Quiz Questions

What is the sun mostly made up of?
Hydrogen
Show answer
How many moons does Earth have?
1
Show answer
What was the name of the first artificial satellite launched into space?
Sputnik I
Show answer
How long does it take Mars to rotate on its axis?
24 Hr 37 Min
Show answer
What is seventh planet in order of distance from the sun?
Uranus
Show answer
Which of Jupiter's moons is covered by active volcanoes?
Io
Show answer
What is the cargo of a spacecraft called?
Payload
Show answer
What is the distance that light travels in a year called?
Light Year
Show answer
To any astronaut, what is an EVA?
Extravehicular Activity
Show answer
What is the name for the boundary around a black hole, beyond which events cannot affect the observer?
Event Horizon
Show answer
What is Earth's nearest neighbor in space?
The Moon
Show answer
How many astronauts manned each Apollo mission?
3
Show answer
The Planting Moon is found in which month?
May
Show answer
What is Jupiter mostly made of?
Gas
Show answer
How many earth days does it take for Mercury to circle the Sun?
88
Show answer
What is Mercury's period of revolution around the sun?
88 Earth Days
Show answer
What is a meteoroid called if it lands on the Earth's surface?
Meteorite
Show answer
What is the only moon in the solar system that has an atmosphere?
Titan
Show answer
Which branch of science did young Carl Sagan tell his grandfather he wanted to practice?
Astronomy
Show answer
What is the place where projectors are used to show the night sky?
Planetarium
Show answer
I am the galaxy closest in light years to the Milky Way Galaxy?
Andromeda
Show answer
What is the name of the spacecraft that took the first men to the moon?
Apollo 11
Show answer
The Horsehead Nebula can be found in what constellation?
Orion
Show answer
Who is credited with creating the "Big Bang Theory"?
Georges Lemaitre
Show answer

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.

A-Z