Today MESSENGER Flies by Mercury!

“Today, at 19:04:39 UTC (2:04:39 pm EST), MESSENGER will fly 200 kilometers (124 miles) above Mercurys surface. As the spacecraft continues to speed toward the planet, the Narrow Angle Camera, part of the Mercury Dual Imaging System (MDIS) instrument, acquired this crescent view of Mercury. The image was taken on January 13, when the spacecraft was about 760,000 kilometers (470,000 miles) from Mercury. Mercury is about 4,880 kilometers (about 3,030 miles) in diameter, and the smallest feature visible in this image is about 20 kilometers (12 miles) across.”

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Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member...