资讯

Lunar dust is sharp and abrasive. Taming it will enable massive lunar bases, and could teach engineers how to build a better ...
Polish astronaut will receive an official welcome in Warsaw on Thursday, 24 July, following his recent return from the International Space Station (ISS).
Packed aboard Tianzhou 9 was 7.2 tons (6.5 metric tons) of cargo, including 1.65 tons (1.5 metric tons) of food for the three ...