Liftoff to learning. While a video from the mission is playing, the astronauts describe what is happening, many times in a humorous way. While a video from the mission is playing, the astronauts describe what is happening, many times in a humorous way. Topics discussed during the STS-31 mission press conference include the launch, deployment of the Hubble Space Telescope, crystal formation of proteins, cell mediated immune response, and reentry and landing. ENC does NOT distribute this resource.
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History of science.