来自MSN49 分钟
7 Spacecrafts That Could Replace the ISS When It’s Deorbited in 2031
Why Is the ISS Being Retired? Since the first segment of the ISS—Zarya—was launched into orbit by a Proton rocket in 1998, it ...
Space.com42 分钟
SpaceX Falcon 9 rocket launches 21 Starlink satellites on record-setting 26th flight (photos)
A Falcon 9 rocket launched 21 of the company's Starlink broadband satellites to orbit early this morning (Feb. 15), rising ...