A Spacewalker s Emergency Lifejacket
0
0
1,106 Lượt xem·
10/23/23
Trong
Discovery
Astronaut Bruce McCandless was the first man to test NASA s Manned Maneuvering Unit or MMU. In 1984, he floated alone in space for almost six hours before returning safely to the spacecraft....
Cho xem nhiều hơn
0 Bình luận
sort Sắp xếp theo
