Mercury
Mercury is the innermost and second smallest planet (4,878 kilometers [3,024 miles] in diameter) in the solar system (Pluto is the smallest). It has no known moons. As of the beginning of the ...
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Mercury
Mercury is a transition metal, one of the elements found in the middle of the periodic table in Rows 4, 5, and 6 between Groups 2 and 3. Its atomic number if 80, its atomic mass is 200.59, and...
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Mercury (Planet)
Mercury is one of the five planets visible to the naked eye. Because it is so close to the Sun however, it is only visible for about one hour after sunset or for the same length of ti...
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Mercury
Mercury is a naturally occurring element in minerals, rocks, soil, water, air, plants, and animals. The predominant forms in the atmosphere, water, and aerobic soils and sediments are elemen...
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