Science

What is the study of stars, planets and galaxies called?

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What was so unusual about the Mercury space flights?
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What is the summer counterpart of hibernation?
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Halley's Comet is predicted to appear again in which year?
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To which part of physics does the Archimedes' Principle refer?
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How many tons of meteor dust fall to Earth every day?
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Which song was used to wake up the first Space Shuttle crew in orbit?
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What scientist first showed that a changing electric field produces a magnetic field?
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What scientist is credited with developing the first vaccine?
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