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Astronomy
The scientific study of celestial bodies. Find questions on Constellations, Planets and more.
500 Questions
What is the emission spectrum of the sun and what does this spectrum reveal about the types of elements in the sun?
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When will the gravitational pull on the earth be where a broom can stand on its own again?
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How As seen from the earth is the sunlight red-shiftedblue-shifted or neither Explain?
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What would an astonomer conclude if he or she observed that the spectrum of a star had shifted to the blue end?
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What is the name of the process that converts hydrogen into helium resulting in large amounts of energy within stars?
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