Essay
Astronomers have now found a large number of exoplanets, which are planets that orbit around stars other than the Sun.Imagine astronomers found a planet identical to Earth orbiting a star that had the same radius as the Sun, but with a temperature that is twice the temperature of the Sun.How far would this new planet need to be away from its star to have the same average temperature as Earth?
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In order to have the same average temper...View Answer
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Correct Answer:
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