资讯

Icelandic Volcano Sends Toxic Shockwave 1,250 Miles to Arctic
Chinese researchers traced 2023 Icelandic volcanic emissions to Arctic smog, showing 80% of Ny-Ålesund’s sulfur dioxide came ...
Interesting Engineering15 小时
China plans space traffic system for 100,000 satellites as low orbit could get overcrowded
China’s national space agency has announced plans to develop a space traffic management system, aiming to ensure sustainable ...
Interesting Engineering21 小时
US builds 'spacecraft speedometer' to enhance satellite navigation without GPS
The new spacecraft speedometer can track satellite speeds, addressing the challenges of growing space traffic.