What bothers me is I often read they are using the planet’s gravity to gain speed. Whatever speed an objet may gain while entering orbit should be lost when exiting it, right ? So I guess it’s the cinetic energy of the planet that is actually fuelling the spacecraft, isn’t it ?
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Joined 2 years ago
Cake day: October 1st, 2023
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On the other hand, people just charge at home 90% of the time.