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Mercury's mysterious 'darkness' revealed

Scientists have long been puzzled about what makes Mercury's surface so dark. The innermost planet reflects much less sunlight than the Moon, a body on which surface darkness is controlled by the abundance of iron-rich minerals. ...

dateMar 07, 2016 in Space Exploration
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How many moons does Mercury have? (Update)

Virtually every planet in the solar system has moons. Earth has the moon, Mars has Phobos and Deimos, and Jupiter and Saturn have 67 and 62 officially named moons, respectively. Heck, even the recently-demoted dwarf planet ...

dateJan 01, 2016 in Space Exploration
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