The Moon and Earth exert a gravitational pull on each other. On Earth, the Moon's gravitational pull causes the oceans to bulge out on both the side closest to the Moon and the side farthest from the Moon. These bulges...
Like Earth, most of the planets we know have the same shape. But researchers now say the answer is no, whether all planets, including those outside the Solar System, are spherical. Some planets are also in the shape of potatoes,...
Water vapor around Jupiter's moon Ganymede. This amazing phenomenon was discovered by the Hubble Telescope. Ganymede is the largest moon in the Solar System. The Hubble Space Telescope has found evidence of water vapor in the atmosphere around Jupiter's moon...
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