Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material.
这些放射状陨石坑产生于天体撞的地下物质,绵延在遍布陨石坑的水星表面数百公
。
Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material.
这些放射状陨石坑产生于天体撞的地下物质,绵延在遍布陨石坑的水星表面数百公
。
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