The unusual sight is due to Herschel Crater, an 81-mile-wide (130-kilometer-wide) impact basin that gives the tiny moon a Death Star-like appearance when seen face-on (see a Herschel Crater closeup).
这不寻常的现象是由于陨石坑造成的,因撞击而形成一个81英里宽(130千米)的盆地。这使得这个小卫星表面如同死星一样的外表。
The unusual sight is due to Herschel Crater, an 81-mile-wide (130-kilometer-wide) impact basin that gives the tiny moon a Death Star-like appearance when seen face-on (see a Herschel Crater closeup).
这不寻常的现象是由于陨石坑造成的,因撞击而形成一个81英里宽(130千米)的盆地。这使得这个小卫星表面如同死星一样的外表。
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