Science Source Feb 2010
EN_90286391_0506
Just 21 minutes after MESSENGER's closest approach to Mercury, the Narrow Angle Camera, (NAC), took this picture showing a variety of intriguing surface features, including craters as small as about 400 meters, (about 400 yards), across. This is one of a set of 68 NAC images showing landscapes near Mercury's equator on the side of the planet never before imaged by spacecraft. From such highly detailed close-ups, planetary geologists can study the processes that have shaped Mercury's surface over the past 4 billion years. One of the highest and longest scarps, (cliffs), yet seen on Mercury curves from the top center down across the left side of this image. (The Sun is shining low from the right, so the scarp casts a wide shadow). Great forces in Mercury's crust have thrust the terrain occupying the right two-thirds of the picture up and over the terrain to the left. An impact crater has subsequently destroyed a small part of the scarp near the bottom of the image.
2010-02-13
EAST NEWS
Science Source
NASA / Science Source
bk3365
0,33MB
9cm x 9cm by 300dpi
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