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A comment on Perseverance Rover lands on Mars [video]. Parent comment

Re:Perseverance Rover lands on Mars [video] by dmix on Thursday February 18, 2021 @06:36PM (#26187374)
> And read about how it will use Terrain Relative Navigation to find a safe landing spot:

So basically TERCOM from cruise missles but used on space crafts? All you need is a radar countour map of the area and it can automate it's way to the endzone.

https://en.wikipedia.org/wiki/TERCOM

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Re:Perseverance Rover lands on Mars [video] by FredFS456 on Thursday February 18, 2021 @11:23PM (#26189696)
Perseverance's Terrain Relative Navigation uses a camera system and generates a full 3D position fix, but the idea is similar.
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Re:Perseverance Rover lands on Mars [video] by gnzoidberg on Wednesday February 24, 2021 @01:34AM (#26247249)
Not at all.
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