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C00002 00002 THE PROSPECTS FOR A PRIVATE SPACE PROGRAM
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THE PROSPECTS FOR A PRIVATE SPACE PROGRAM
There is a gloomy possibility that the U.S. government will
not finance a long term manned space exploration program. The
reasons would be that populist politics would put equalitarian social
goals ahead of it for the indefinite future or that
anti-technological ideas would prevail.
In my opinion, space travel is very important for mankind's
future in order to provide safety for the species from nuclear war on
earth and to provide a frontier so that groups that don't like the
way things are going here can escape. The matter has been put
extremely well by Freeman J. Dyson in (Dyson 1968) and (Dyson 1969).
In these articles he elaborates the above arguments for emigration
into space and discusses the technology of interplanetary and
interstellar travel. His conclusions are that interplanetary travel
can become reasonably economical rather soon and that interstellar
travel is also possible though not in hman lifetimes. He does not
propose emigration from the earth as a solution to the population
problem, and I agree with him in that. His solution to the
interstellar problem has a capital cost equivalent to a present U.S.
GNP, so he thinks that interstellar travel will not begin until the
GNP is many times larger than it is now. I have an alternate scheme
with a much lower capital cost that will be discussed in Appendix A,
but it also does not permit interstellar trave in times short
compared to human lifetime, and I also think it will be one or two
centuries before interstellar travel can be attempted.
The situation is different for emigration into space. I
think it is cheap enough to be done with non-governmental resources,
i.e. I think it can be started for a billion dollars given a relaxed
schedule and an extremely economical project management. At present,
however, the U.S. government is doing enough so that a private
project would be redundant, but as I said above, the government may
falter.
Suppose, for example, the government falters after the
Shuttle has been built in the sense that it does not undertake any
ambitious missions, but it will make Shuttle missions available at a
price. At present the NASA sells launches about at cost for
communication satellites launched by other governments and it has
committed itself to continue in order to get other governments to
plan to use our launchers rather than develop their own. The
purpose, of course, is to offset some of our development costs.
Whether the government would sell launches to American private
organizations is another matter, but I think it would if the purposes
of the organizations did not fall in an area the government is
presently in the habit of regulating.
The cost of a Shuttle launch will probably be ten to twenty
million dollars and the launch will put 100,000 pounds of payload
into a low earth orbit.
Consider a private project to put a colony into space.
The motivation would presumably be to escape bureaucracy here
on earth and to run the colony according to the doctrines of its
sponsors. The kind of sponsors that would have both the money and
the motivation would probably be free enterprisers trying to escape
the welfare state. It is doubtful that the welfare state has become
sufficiently odious to the very rich to induce one or more of them to
put up this kind of money, but it might happen, and there may be
potential sponsors even now.
As Dyson has pointed out, the best place for such a colony is
not on another planet but in interplanetary space itself. This is
because all other planets in our solar system have unfriendly
environments that are more difficult to protect against than the
vacuum of space, because large structures can be built in space more
readily than on planets and because solar energy is more readily
collected in space than anywhere else because the energy collecting
structure can point at the sun all the time. The problem of settling
in space is material, and Dyson attaching the first colonies to
comets which have materials of biological use available without
having to take it out of the gravity field of a planet.