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Space Trivia

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Quiz by
vivaswaan
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Last updated: November 19, 2025
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First submittedApril 29, 2025
Times taken1,023
Average score35.0%
Rating4.33
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Hint
Answer
Closest star to the Sun
Proxima Centauri
The moon of Pluto
Charon
Crater where the Apollo 11 mission landed
Sea of Tranquility
Belt outside the Solar System containing comets and some planets
Kuiper belt
Largest star that we know of
Stephenson 2-18
"Matter" that holds the universe together
Dark matter
Brighest star in the night sky
Sirius
Gas that's most common in the atmosphere of Venus
Carbon dioxide
The cluster of galaxies that the Milky Way is part of
Local Supercluster
Red giant on Orion's shoulder
Betelgeuse
Hint
Answer
Farthest man-made object
Voyager-1
A star (under the Chandrasekhar limit) sheds its outer layers to become this
White dwarf
The most massive black hole is believed to be here
TON 618
The way the universe is most likely to die
Heat death
Unit of measurement equal to 3.26 light years
Parsec
The man who found the value of the gravitatonal constant G
Henry Cavendish
The instrument that the above used to measure it
Torsion balance
Ancient radiation that comes from space, originated in the Big Bang
Cosmic rays
The name of NASA's current mission to the moon
Artemis
The largest moon of Saturn
Titan
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10 Comments
beorming
+1
Level 87
May 9, 2025
Would you accept 'big freeze' for heat death?
vivaswaan
+1
Level 71
May 15, 2025
big freeze will work now!
Toast27
+1
Level 50
May 9, 2025
I spelled titan wrong
wrenos
+1
Level 65
May 9, 2025
I'd argue that cosmological expansion is a valid answer for the end of the universe, given it's what causes the heat death, but if you're going for specific, then heat death makes sense
vivaswaan
+1
Level 71
May 15, 2025
I tried to be a bit more specific with the answers here, but I can certainly put in a few more type-ins, thank you!
Daksh00
+1
Level 64
May 15, 2025
Really a tough nut to Crack this one. Took hint for this.
CityAnnihilator8
+1
Level 57
Nov 16, 2025
2nd question in the 2nd column is wrong. A white dwarf does not originate from a supernova, rather, from the shedding of a Red giant's layers
vivaswaan
+1
Level 71
Nov 19, 2025
That is right, sorry for missing this! I'll update the question now.
TheSpatialKnight
+1
Level 35
May 15, 2026
Pluto has 5 moons lol. Maybe specify *largest* moon of pluto. Also the Kuiper belt is still inside of the solar system
vivaswaan
+1
Level 71
May 15, 2026
Yes, I'll specify the largest moon. Also yeah I noticed the Kuiper belt question's wording to be wrong, I'll change that in the next quiz reset. Thanks a lot for the help!
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