I never thought of this, but you can fit all the planets in the Solar System back to back into the distance from the Earth to the Moon—about 238, 900 miles (384, 400 kilometers)—with room to spare: 4, 990 miles (8, 030 kilometers.) Seeing it visualized really give you a good idea of how much empty space is out there. Read more…

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All the planets in the Solar System fit between the Earth and the Moon