Astronomy quiz
166 questions across 1 difficulty level. Every attempt draws a fresh random set, so you can play as often as you like.
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Hard
166 questions
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Sample questions
- Which planet(s) in the solar system has/have active plate tectonics?
- Imagine that the Earth was instantly moved to an orbit three times further away from the Sun. How much longer would a year be?
- The lithosphere of a planet is the layer that consists of
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