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Discovered in 1930, Pluto is the second closest dwarf planet to the Sun and was at one point classified as the ninth planet. Pluto is also the second most massive dwarf planet with Eris being the most massive. Fast Facts about Pluto 1. Pluto was discovered on February 18th, 1930 by the Lowell Observatory, for the […]
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Venus is one of the four terrestrial planets in the Solar System, meaning that, like Earth, it is a rocky body. In size and mass, it is similar to Earth, and is often described as Earth’s “sister” or “twin”. The diameter of Venus is 12,092 km (only 650 km less than Earth’s) and its mass is 81.5% of
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Mercury is the smallest and closest to the Sun of the eight planets in the Solar System, with an orbital period of about 88 Earth-days. Seen from Earth, it appears to move around its orbit in about 116 days, which is much faster than any other planet in the Solar System. Facts About Mercury 1. A
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