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retrorocket |
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retrorocket [¦re·trō′räk·ət] (aerospace engineering) A rocket fitted on or in a spacecraft, satellite, or the like to produce thrust opposed to forward motion. Also known as braking rocket. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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After discarding their aerodynamic shells, the parachute and retro rockets slowed their descent until the rovers dropped to the surface (from about 50 feet) encased in airbags resembling a pyramid made up of beach balls. The spacecraft's landing would be slowed by a combination of four parachutes and retro rockets. Parachutes will slow the descent still further, and at about 300 feet from the surface, retro rockets will fire. |
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