The Chang'e-3 mission is China's first attempt to land a ...
Apollo-13 was the third planned Lunar-landing mission after ...
SpaceX is a California based space transport company. It ...
A type of vertical transport device that efficiently moves ...
The Kepler space observatory found at 600 light years from ...
The White House is requesting a $17.5 billion budget for ...
0
词条
词汇
2
关注者
58
3
6
40
4
107
13
5 词条
