There's a lot of stored energy in satellites: fuel, gas pressurizers, batteries. End-of-life geosynchronous satellites sometimes drain all of these, deliberatel

There's a lot of stored energy in satellites: fuel, gas pressurizers, batteries. End-of-life geosynchronous satellites sometimes drain all of these, deliberately, to limit their hazard as space junk. https://en.wikipedia.org/wiki/Passivation_(spacecraft) https://en.wikipedia.org/wiki/Passivation_(spacecraft)