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Which will collide first, the moon and Earth, or Sun and Earth?
As time progresses, which scenario will happen first? The moon colliding with Earth, or the Earth colliding with the Sun? I figure the Moon and Earth will happen first, based on proximity, but the sun ...
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How many hours will there be in a day 5,000,000,000 years from now?
It is known that the moon is moving away from Earth 2cm a year, and in doing so makes the days longer.
I want to know how many hours will have one day, when our planet is near its end.
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