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239,757 public questions across 1,818 topics. Challenge yourself, or build the perfect quiz for game night.

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Hard Space Exploration

What is the name of the largest space telescope ever launched, placed in orbit in December 2021?

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Intermediate Space Exploration

What was the name of NASA’s first reusable spacecraft to reach orbit and return safely?

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Intermediate Space Exploration

Which spacecraft was the first to fly past Jupiter, reaching the planet in December 1973?

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Easy Space Exploration

What is the name of NASA’s space telescope launched in 1990 that transformed visible-light astronomy?

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Intermediate Leonardo Da Vinci's Inventions

What Leonardo da Vinci war machine used rotating blades to attack soldiers and horses?

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