How Things Work: Dropping in on Mars

NASA’s Curiosity rover will try a new way of landing on another planet

(Harry Whitver)

The Last Minute To Mars: Powered Descent

Powered Descent
(Harry Whitver)

Immediately after backshell separation, eight engines fire to stabilize the descent stage and begin slowing its rate of fall from 100 feet per second to 2.4. Powered descent lasts 25 to 30 seconds.


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