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
3
2
1
1
4
2
1
1
5
2
1
1
6
2
1
1
8
Elon Musk on reusable heat shields and Mars reentry:
2
1
1
Elon Musk on reusable heat shields and Mars reentry:
— No one has created a truly reusable orbital heat shield before
— Reentry involves extreme heat and pressure — very hard to withstand
— Only advanced ceramics and carbon-based materials can survive it
— SpaceX aims to make
btc
(
twitter.com)
00:02:28
