LEADER 05313nam 2200661Ia 450 001 9910812222103321 005 20240416234356.0 010 $a1-280-21484-8 010 $a9786610214846 010 $a0-309-57368-8 010 $a0-585-16837-7 035 $a(CKB)111004366657418 035 $a(OCoLC)568172022 035 $a(CaPaEBR)ebrary10056777 035 $a(SSID)ssj0000387481 035 $a(PQKBManifestationID)11272435 035 $a(PQKBTitleCode)TC0000387481 035 $a(PQKBWorkID)10401823 035 $a(PQKB)11539015 035 $a(MiAaPQ)EBC3376504 035 $a(Au-PeEL)EBL3376504 035 $a(CaPaEBR)ebr10056777 035 $a(OCoLC)923264071 035 $a(EXLCZ)99111004366657418 100 $a20040925d1988 my 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt 182 $cc 183 $acr 200 00$aSpace science in the twenty-first century $eimperatives for the decades 1995 to 2015 : report of the study steering group /$fSpace Science Board, Commission on Physical Sciences, Mathematics, and Resources, National Research Council 205 $a1st ed. 210 $aWashington, D.C. $cNational Academy Press$d1988 215 $a1 online resource (106 p.) 300 $aSupport for this project was provided by Contract NASW-3482 between the National Academy of Sciences and the National Aeronautics and Space Administration. 311 $a0-309-03838-3 327 $aSpace Science in the Twenty-First Century: Imperatives for the Decades 1995 to 2015 -- Copyright -- Preface -- Contents -- 1 Introduction -- 2 Earth Sciences: A Mission to Planet Earth -- BACKGROUND -- EARTH AS A GLOBAL SYSTEM -- SCIENTIFIC THEMES -- RECOMMENDED PROGRAM: POST-1995 -- THE ROLE OF NASA IN EARTH SCIENCES -- NATIONAL COORDINATION -- CONCLUSIONS -- 3 Planetary and Lunar Exploration -- BACKGROUND -- GOALS OF PLANETARY EXPLORATION -- ACHIEVEMENTS OF PLANETARY EXPLORATION -- FUTURE PLANETARY EXPLORATION-A BALANCED PLANETARY PROGRAM -- Prospective Pre-1995 Missions -- Recommended Program: Post-1995 -- Terrestrial Planets -- Recommended Missions -- Outer Planets and Satellites -- Recommended Missions -- Primitive Bodies -- Recommended Missions -- Other Planetary Systems -- Recommended Missions -- A Mars Focus -- Recommended Missions -- CONCLUSION -- 4 Solar System Space Physics -- BACKGROUND -- THE SUN, SOLAR PROCESSES, AND VARIABILITY -- THE SUN-EARTH SYSTEM, THE MAGNETOSPHERE, AND THE AURORA -- THE UPPER ATMOSPHERE -- MAGNETOSPHERES OF OTHER PLANETS AND COMETS -- CONNECTIONS OF SOLAR SYSTEM SPACE PHYSICS TO LABORATORY AND ASTROPHYSICAL PLASMAS -- NATURE OF THE FIELD -- CURRENT FLIGHT PROJECTS -- PROSPECTIVE PRE-1995 MISSIONS -- RECOMMENDED PROGRAM: POST-1995 -- CONCLUSIONS -- 5 Astronomy and Astrophysics -- BACKGROUND -- MAJOR SCIENTIFIC QUESTIONS -- THE EVOLUTION OF SPACE ASTRONOMY -- RECOMMENDED PROGRAM: POST-1995 -- Imaging Interferometer (Optical and Infrared) -- The Large Deployable Reflector (LDR) -- An 8-to 16-m Telescope for Ultraviolet, Optical, and Infrared Wavelengths -- X-Ray Instruments of Large Area and Throughput -- Gamma-Ray Telescopes -- Cosmic-Ray Research -- CROSS-LINKS WITH OTHER DISCIPLINES -- CONCLUSIONS -- 6 Fundamental Physics and Chemistry: Relativistic Gravitation and Microgravity Science -- OVERVIEW. 327 $aA. RELATIVISTIC GRAVITATION -- Background -- Tests of General Relativity Theory in Weak Fields -- Deflection of Light -- Gravitational Red Shift -- Relativistic Frame Dragging -- Principle of Equivalence -- Secular Change in the Gravitational Constant -- Gravitational Waves -- Pre-1995 Program for Relativistic Gravitation -- Recommended Program for Relativistic Gravitation: Post-1995 -- B. MICROGRAVITY SCIENCE -- Background -- Observation of States in Equilibrium -- Observation of States Destroyed by Gravity -- States Far From Equilibrium -- Conclusions and Recommendations for Microgravity Science -- 7 Life Sciences -- BACKGROUND -- LIFE SCIENCE GOALS AND MAJOR QUESTIONS -- Exobiology Goals -- Major Questions for Exobiology: 1995 to 2015 -- Global Biology Goals -- Major Questions for Global Biology: 1995 to 2015 -- Space Biology Goals -- Major Questions for Space Biology: 1995 to 2015 -- Space Medicine Goal -- Major Questions for Space Medicine: 1995 to 2015 -- RECOMMENDED PROGRAM: POST-1995 -- Recommendations for Exobiology -- Recommendations for Global Biology -- Recommendations for Space Biology and Space Medicine -- Significance of Recommendations -- 8 Interdisciplinary Studies -- 9 Human Presence in Space -- SPACE AGE SCIENCE -- THE SCOPE OF HUMAN PRESENCE IN SPACE -- 10 International Cooperation -- 11 Preconditions and Infrastructure. 606 $aSpace sciences 606 $aAstronomy 606 $aCosmic physics 606 $aSpace biology 606 $aPlanets$xExploration 606 $aRelativity (Physics) 615 0$aSpace sciences. 615 0$aAstronomy. 615 0$aCosmic physics. 615 0$aSpace biology. 615 0$aPlanets$xExploration. 615 0$aRelativity (Physics) 676 $a520 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910812222103321 996 $aSpace science in the twenty-first century$93968674 997 $aUNINA