Northern Hemisphere Of Mercury
by Nasa/johns Hopkins University Applied Physics Laboratory/carnegie Institution Of Washington/science Photo Library
Title
Northern Hemisphere Of Mercury
Artist
Nasa/johns Hopkins University Applied Physics Laboratory/carnegie Institution Of Washington/science Photo Library
Medium
Photograph - Photograph
Description
Radar image of the northern hemisphere of Mercury generated with data from the Mercury Laser Altimeter (MLA) aboard NASA's MESSENGER spacecraft. The lowest regions are purple and the highest regions are red. The difference in elevation between the lowest and highest regions shown is roughly 10 kilometres. Among the prominent features visible here are the smooth northern volcanic plains and the northern rise. The low-lying craters near the north pole host radar-bright materials, thought to be water ice. The MLA measures the return time of transmitted laser pulses reflected from the surface of the planet and gives a high-precision measurement of surface topography referenced to Mercury?'s centre of mass.
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April 27th, 2022
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