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Scientific and Technical Aerospace Reports Volume 39 April 6, 2001

Scientific and Technical Aerospace Reports Volume 39 April 6, 2001

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Energy Production <strong>and</strong> Conversion. For specific technology transfer applications see also the category<br />

where the subject is treated.<br />

Subject Categories of the Division J. Space Sciences<br />

88 Space Sciences (General) 276<br />

Includes general research topics related to the natural space sciences. For specific topics in space<br />

sciences see categories 89 through 93.<br />

89 Astronomy 277<br />

Includes observations of celestial bodies, astronomical instruments <strong>and</strong> techniques; radio, gamma-ray,<br />

x–ray, ultraviolet, <strong>and</strong> infrared astronomy; <strong>and</strong> astrometry.<br />

90 Astrophysics 279<br />

Includes cosmology; celestial mechanics; space plasmas; <strong>and</strong> interstellar <strong>and</strong> interplanetary gases <strong>and</strong><br />

dust.<br />

91 Lunar <strong>and</strong> Planetary Science <strong>and</strong> Exploration 280<br />

Includes planetology; selenology; meteorites; comets; <strong>and</strong> manned <strong>and</strong> unmanned planetary <strong>and</strong> lunar<br />

flights. For spacecraft design or space stations see 18 Spacecraft Design, Testing <strong>and</strong> Performance.<br />

92 Solar Physics 312<br />

Includes solar activity, solar flares, solar radiation <strong>and</strong> sunspots. For related information see 93 Space<br />

Radiation.<br />

93 Space Radiation 313<br />

Includes cosmic radiation; <strong>and</strong> inner <strong>and</strong> outer Earth radiation belts. For biological effects of radiation<br />

on plants <strong>and</strong> animals see 52 <strong>Aerospace</strong> Medicine. For theory see 73 Nuclear Physics.

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