Abridge 发表于 2025-3-21 19:23:39
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The Apollo flights: a brief history,et: A, B, C, etc. Managers believed that if the lunar goal was to be realised, each of these preliminary missions would have to be successfully flown — more than once if necessary — before the subsequent mission could be attempted.多节 发表于 2025-3-22 16:24:16
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Coasting to the Moon,ce. Although this part of the flight held little interest for the news media, the crew were nevertheless kept busy with a great variety of tasks ranging from the clever precision of the CMP’s navigation commitment to matters of personal hygiene.reflection 发表于 2025-3-23 00:56:57
Earth orbit and TLI,n three hours to give their ship a thorough checkout before being sent Moonward with an engine burn called . (TLI), and no one was keen to ignite it unless they knew it was sending a good ship. In that time, they would make not quite two orbits of Earth although, if required, there was a contingency for an extra orbit.调色板 发表于 2025-3-23 03:37:32
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Re-entry,nd of the command module was brutally compressed in a shock wave, generating 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.