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spaceflight of manned vehicles.
Based on the Random House Dictionary, © Random House, Inc. 2014.
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They are matched by the problems involved in what might be called the housekeeping aspects of
Enjoy our exciting science collections and
in our popular planetarium.
We have no way of defending ourselves against extraterrestrials that are capable of
at this point of our development.
It would also allow us to develop the foundation for
has become almost as common as driving.
Of course, that would require the guts to actually use nuclear power for
But nothing in
is easy, and touching down on an asteroid might be a sight more complicated than a simple rendezvous.
We may be also able to exploit some of the minerals on these objects and that could make
not only fun but productive.
The idea is to see if ancient life could have survived
to migrate between the planets on meteoroids.
He didn't really care about robots or
, though they sometimes turn up in his stories.
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Oh, my. I'd forgotten how much I hate space travel.
Man is an artifact designed for space travel. He is not designed to remain in his present biologic...
In sci-fi convention, life-forms that hadn't developed space travel were mere prehistory—horse-shoe...