How high must a satellite orbit to stay perfectly synchronized with Earth’s rotation? 🌍 This video determines the exact orbital altitude required for a geosynchronous orbit, clearly explaining the ...

Two Chinese satellites have rendezvoused with one another more than 20,000 miles above the Earth in what analysts believe is the first high-altitude attempt at orbital refueling. China’s Shijian-21 ...

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 ...

Two Chinese satellites have rendezvoused with one another more than 20,000 miles above the Earth in what analysts believe is the first high-altitude attempt at orbital refueling. China’s Shijian-21 ...

Private space trackers have detected a bizarre movement of Chinese satellites in geosynchronous orbit (GEO), the farthest orbit above the Earth. Speculation in the space community has been rampant, ...

Shijian-21 lifting off atop a Long March 3B on Oct. 24, 2021. The Shijian-21 spacecraft later successfully docked with a defunct Chinese satellite to alter its orbit. Credit: CASC HELSINKI — China’s ...