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1. Introduction
Pages 1-4

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From page 1...
... The United States has held the lead in space science during most of these years, exploring new worlds, discovering new phenomena in space, and providing new ways to observe and predict changes in the global environment. The national space science program has amply fulfilled the objective of the National Aeronautics and Space Act of 1958 to extend Inhuman knowledge of the Earth and of phenomena in the atmosphere and in space.
From page 2...
... Provided the nation recovers Fill access to space rapidly after the Challenger accident, a large number of scientific missions will be in space or well along toward launch—by the last years of this century. These missions promise a rich harvest of scientific results that wall significantly improve our understanding of the universe.
From page 3...
... The twenty-first century promises to build on these achievements at an accelerating rate, provided the nation furnishes the necessary resources and does not repeat its mistake of denying itself a sturdy, redundant system of access to space. Automated spacecraft, remote sensing instruments, and manned space stations will continue to add profound insights into the nature of the universe.
From page 4...
... A ~w ~co~endatlons are cued far each disciple to suggest bow these tbe~s might be developed.


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