A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds (one sidereal day).
It's been decades since humanity first sent a satellite into orbit, and during all this time we kind of become experts at it. What we still haven't mastered yet is extending the life of these ...
A Long March 3B lifts off from Xichang, sending Shijian-25 on its way to orbit, Jan. 6, 2025. Credit: Ourspace HELSINKI — China’s experimental Shijian-21 and Shijian-25 satellites have separated in ...