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Episode 244: Mercury Flyby

Play Oct 22•4:35

The three Mercury flybys of the Messenger spacecraft are complete. Despite a glitch during the third pass, most of the surface of Mercury has been imaged. The Messenger team is examining the craters, bright and dark spots, and other surface features in the hopes of understanding the geologic history of Mercury. Messenger's main Web site. The Third Flyby Web page. Graphic of the Messenger ...

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