View Full Version : 5 Mercury Secrets Revealed by MESSENGER

2013-Mar-18, 01:40 PM
After two years of doing the loop-the-loop around Mercury, MESSENGER has unveiled a bunch of surprises from Mercury — the closest planet to the Sun. The spacecraft launched in 2004 and made three flybys of the planet before settling into orbit two years ago today. Incredibly, MESSENGER is only the second NASA probe to visit [...]

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