Abstract
Arguably the most audacious feature of an Apollo flight was to have the crew reenter Earth’s atmosphere in the manner that they did. In the final minutes of a mission, a lump of metal and plastic, three crewmen and a few dozen kilograms of moonrock, altogether weighing nearly six tonnes, came barrelling in from outer space at speeds approaching 11 kilometres per second as Earth’s gravity hauled them in. As it entered, the air in front of the blunt end of the command module was brutally compressed in a shock wave that generated temperatures approaching 3,000°C. All that stood in the way of the crew being incinerated by this extraordinary heat was a coating of resin and fibreglass that NASA’s engineers reckoned could withstand the punishment.
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© 2011 Springer Science+Business Media, LLC
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Woods, W.D. (2011). Re-entry. In: How Apollo Flew to the Moon. Springer Praxis Books, vol 0. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-7179-1_15
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DOI: https://doi.org/10.1007/978-1-4419-7179-1_15
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