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The communications delays between Earth and Mars can be half an hour or more, so the people on the
The communications delays between Earth and Mars can be half an hour or more, so the people on the
The communications delays between Earth and Mars can be half an hour or more, so the people on the
The communications delays between Earth and Mars can be half an hour or more, so the people on the
The communications delays between Earth and Mars can be half an hour or more, so the people on the
The communications delays between Earth and Mars can be half an hour or more, so the people on the
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Henry Spencer:
The Moon may not be quite as appealing as Mars, but it's still a complex and poorly understood worlHenry Spencer:
In 1960-61, a small group of female pilots went through many of the same medical tests as the MercuHenry Spencer:
NASA has never had a problem finding capable people to be astronauts. NASA's problem was, and stillHenry Spencer:
Spaceflight, especially in the Mercury spacecraft, clearly wasn't going to be much like flying an aHenry Spencer:
Not until the space shuttle started flying did NASA concede that some astronauts didn't have to beHenry Spencer:
Since SpaceX's very beginnings, they have talked about recovering and reusing at least the first stHenry Spencer:
The Orion capsule uses an escape system quite like that of the Apollo spacecraft in the 1960s and 7Henry Spencer:
Solid-fuel rockets can't easily be shut down on command.Henry Spencer:
Whether solid rockets are more or less likely to fail than liquid-fuel rockets is debatable. More sHenry Spencer:
Past experience, on the shuttle and the Titan rockets, suggests that large multi-segment solid rock