Watch a Satellite Reaction Wheel Melt in a Simulated Orbital Re-Entry

This illustrations shows one of the ESA's Automated Transfer Vehicles burning up during re-entry. Heavier spacecraft components like satellite reaction wheels don't always burn up and constitute a hazard. ESA engineers are working to change that. Image Credit: ESA LICENCE ESA Standard Licence

Most satellites share the same fate at the end of their lives. Their orbits decay, and eventually, they plunge through the atmosphere toward Earth. Most satellites are destroyed during their rapid descent, but not always

Heavy pieces of the satellite, like reaction wheels, can survive and strike the Earth. Engineers are trying to change that.

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