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Questions and Answers
What is the force equation for gravity?
What is the main component of the Sun?
What causes the polar auroras in the Northern hemisphere?
What is the difference between meteors and meteoroids?
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What did Copernicus prove about Earth's motion?
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What is the force equation for gravity?
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What is the age of the universe according to the big bang/nebular theory?
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What are the main components of comets?
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What causes the visible impacts known as craters on planets?
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What celestial event marks the start of Spring and Fall when there is an equal amount of day and night?
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