Washington University scientist Ray Arvidson said the spacecraft's thrusters may have blown away dirt covering the ice when the robot landed one week ago.
华盛顿大学科学家Ray Arvidson称着陆器的推进器也许将在一周前着陆时将覆盖在冰面的灰尘吹开。
Washington University scientist Ray Arvidson said the spacecraft's thrusters may have blown away dirt covering the ice when the robot landed one week ago.
华盛顿大学科学家Ray Arvidson称着陆器的推进器也许将在一周前着陆时将覆盖在冰面的灰尘吹开。
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