How Things Work: Dropping in on Mars
NASA's Curiosity rover will try a new way of landing on another planet.
- By Tony Reichhardt
- Illustrations by Harry Whitver
- Air & Space magazine, January 2012
3. Powered Descent
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.