2
1
0

Interestingly, the closest astronauts have ever come to flying in a true polar orbit (90 deg inclination) were the original Soviet Vostok and Voskhod cosmonauts (including Yuri Gagarin) in the early 1960s - and they only flew to around 65 deg. The space shuttle did a single
btc
(
twitter.com
)
由
Jon Edwards
提交
Markdown支持
评论加载中...
您可能感兴趣的:
更多
1
2
1
1

2
2
1
1
