Astronomy Quiz

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Last updated: April 16, 2023

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Hint	Answer
What is the closest star system to our solar system?	Alpha Centauri System
What is the closest galaxy to ours?	Andromeda
The Galilean moons are Callisto, Ganymede, Io and ...	Europa
What is the biggest moon in our galaxy?	Ganymede
Neptune's biggest moon is ...	Triton
What is the hottest planet in our solar system?	Venus
What is the closest planet to the sun?	Mercury
What is the biggest asteroid in the asteroid belt and solar system?	Ceres
Is Pluto a planet?	No
What does stellar refer to?	Star
What does lunar refer to?	Moon
What is the tallest mountain in the solar system?	Olympus Mons

Hint	Answer
Which planet is the tallest mountain located?	Mars
What word is used to call the death of a star?	Supernova
What type of star is Proxima Centauri?	Red Dwarf
How long will red dwarves live for?	trillions of years
What type of star is our sun?	Yellow Dwarf
What is pluto's biggest moon which is half of its size?	Charon
How long does light take to reach Earth?	8.3min
What is Saturn's biggest moon?	Titan
How many planets have rings?	4
What is Uranus's axial tilt?	98 degrees
When did the big bang occur according to scientists?	13.8 Billion years ago