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Satellites and orbit: questions and answers
Satellites and orbit: the most searched Space questions, with a direct answer, an explanation and sources.
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Satellites and orbit
How long do satellites operate?
Satellites usually stop working when the fuel for orbit and attitude correction runs out; radiation, aging batteries, and solar cells set the second limit… more…

Satellites and orbit
How long can satellites remain in space?
From months to centuries, depending on orbital altitude. In low orbits, residual atmosphere brakes the satellite, which ends up falling without correction… more…
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Satellites and orbit
How fast do satellites orbit Earth?
The lower the orbit, the faster: satellites in low orbit fly at about 7.8 kilometers per second and complete one orbit in about 90 minutes. Geostationary… more…