资讯

The United States Space Force’s secretive X-37B space plane touched down to earth on Friday after spending 434 days in orbit conducting mysterious tests.
NASA’s 2025 Spinoff report highlights a profound truth: Space exploration is no longer just about reaching distant worlds but improving life here on Earth. Technologies originally designed to ...
CAPE CANAVERAL, Fla. – Four space tourists who orbited the north and south poles returned to Earth on Friday, splashing down in the Pacific to end their privately funded polar tour. Bitcoin ...
European Space Agency (ESA) estimates show that, as of February this year, more than 36,000 objects larger than 10 cm are currently being tracked in Earth’s orbit and more than one million ...
Why is space debris a problem? There are roughly 1.1 million debris fragments larger than 0.04 inches and about 40,500 fragments larger than 4 inches in orbit according to the ESA. NASA states ...