Comments by "GH1618" (@GH-oi2jf) on "The Insane Engineering of the Perseverance Rover" video.

  1. The narrator said it uses radioactive material, but it isn’t a fission reactor like power reactors used on Earth. It uses the natural decay of Plutonium as a heat source. This was accurately described.
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  2. Probably because it satisfies the requirements of the mission. Spacecraft typically use mature technology when possible, for maximum reliability.
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  3. The Perseverance mission started in 2013. Trump had nothing to do with it. NASA has been sending things to Mars for decades.
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  4. It looks like the top rotor was turned backward. In actual use, the rotors would turn opposite directions.
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