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Appendix D: Details of Selected Astronomy and Astrophysics Mission Concepts
Pages 129-132

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From page 129...
... APPENDIX D 129 D Details of Selected Astronomy and Astrophysics Mission Concepts INTERSTELLAR SCATTERING AND THE LONG-BASELINE RADIO INTERFEROMETER Radio ( >1 mm) interferometry on interplanetary baselines appears, at first glance, to be an ideal application of the ability of nuclear power and propulsion systems to deploy astronomical assets at great distances from Earth.
From page 130...
... 130 PRIORITIES IN SPACE SCIENCE ENABLED BY NUCLEAR POWER AND PROPULSION radiation in the frequency range from 50 to 750 kHz, or lightning, which produces strong interference in the range from 1 to 30 MHz and above -- preclude observations below 30 MHz (the very low frequency [VLF] range)
From page 131...
... APPENDIX D 131 Resolved Sources Once the telescope is large enough to resolve the astronomical source, the S/N for objects with surface brightness fainter than the zodiacal background becomes (S/N)
From page 132...
... 3. Board on Physics and Astronomy­Space Studies Board, National Research Council, Astronomy and Astrophysics in the New Millennium, National Academy Press, Washington, D.C., 2001.


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