SpaceX says they fixed a problem with the helium pressurization system that destroyed a Falcon 9 rocket last year. The company pushes the boundaries of rocket science, creating an occasional jaw-dropping fireball in the process. But will the risk-reward equation change when SpaceX starts flying astronauts?
from Planetary Society Blog http://ift.tt/2ibJWZi
via IFTTT
沒有留言:
張貼留言