May 11

Altimetry Is Defining Mercury's Shape

Source: MESSENGER Mission Highlights

MLA coverage (left) of Mercury as May 21, 2011.
Image credit: NASA/Messenger Mission.

MESSENGER's Mercury Laser Altimeter (MLA) in its first two months of operation has already built up a grid of ground tracks that span most of Mercury’s surface north of the equator. (read more)

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