???????“????”?????6?26??

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“??????”?????????,NASA18??????????,???????,???????????25???????????22?10?,?????????4?????????????51?????

??????,NASA?????????????18?,????,???????,??????,“?”?45?????

5????,“??”????“????????5”????,??????,????????????????????????,“???????????”????????????????????,“???”28?5??????????????

?2011??????????,???????????????????(SpaceX)2014????????????NASA?,????“???????”????????????????“?????”???????,NASA????

?????????????,??2017????,???????,“??”???????;??????????“??????”?????????????,?????????10??????????????????(????????????????) ???????????:??