Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material.
这些放射状产生于天体撞击溅出的地下物质,绵延在遍布的水星表面数百公里。
Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material.
这些放射状产生于天体撞击溅出的地下物质,绵延在遍布的水星表面数百公里。
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