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atmospheric entry |
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atmospheric entry [¦at·mə¦sfir·ik ′en·trē] (aerospace engineering) The penetration of any planetary atmosphere by any object from outer space; specifically, the penetration of the earth's atmosphere by a crewed or uncrewed capsule or spacecraft. 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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| On the way to the Moon, should a problem develop, the four rocket chairs, attached to the capsule, have sufficient propellant to return the capsule to Earth for a direct atmospheric reentry. Bathed in an eerie blue glow of an ion beam, a model of the Space Shuttle undergoes a simulated atmospheric reentry to study the problem of communications blackouts during the dangerous reentry phase. Spray-evaporative cooling, which effectively handles chip heat flux equivalent to that of the space shuttle tiles during atmospheric reentry. |
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