来自MSN4 个月
SpaceX's Polaris Dawn mission nails the first-ever commercial spacewalk
Four people orbiting Earth in a SpaceX Crew Dragon spaceship donned a set of brand-new spacesuits, opened the ship's hatch to expose its interior to the vacuum of space, and completed the first ...
来自MSN5 个月
How SpaceX's historic Polaris Dawn private spacewalk will work
The SpaceX mission ... That's because the Crew Dragon doesn't have an airlock, so the capsule's interior will be exposed to the vacuum of space. The entire EVA operation — from the initial ...
Space on MSN9 天
Astronauts repair black hole observatory, inspect cosmic ray detector on ISS spacewalk
NASA astronauts Nick Hague and Suni Williams completed a six-hour spacewalk to repair and upgrade equipment outside the ...