太平洋上空的满月
2019-08-14
The crew of the International Space Station snapped this image of a full Moon as the orbiting complex flew 270 miles above the South Pacific Ocean...
人类在太空
Raja Chari上校:美国宇航局宇航员候选人
2019-08-02
NASA astronaut candidate Raja Chari climbs into a NASA T-38 aircraft, Friday, July 12, 2019, at Ellington Field in Houston, Texas. Chari was selec...