What natural force causes a Starlink satellite's orbit to decay over time?

Answer

Atmospheric friction

The rarefied gas molecules present even at low orbital altitudes exert a drag force, causing atmospheric friction that constantly bleeds energy from the spacecraft, leading to orbital decay.

What natural force causes a Starlink satellite's orbit to decay over time?

#Videos

Starlink Satellites Are Falling From the Sky — But Why? - YouTube

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