Page 245 - Intro to Space Sciences Spacecraft Applications

232
Grazing angle, 138
EVA, 6 Introduction to Space Sciences and Spacecraft Applications
Exhaust velocity, 57,58 Greenhouse effect, 92
Exosphere, 91 GRO, 18
Explorer, 15 Ground instantaneous field of view
Explorer 1, 2, 54 (GIFOV), 139
Explorer, 15, 132 Ground sites, 194
Field-of-view (FOV), 39,40, 137, 146 Ground support systems, 192
Final orbit, 186 Ground track, 41
Footprint, 40 Ground waves, 106
Free space loss, 113 Guiana launch site, 72
Frequency, 79 Gyroscopic stabilization, 174
modulation, 106, 116 HEAO, 18
shift keying, 127 Heliocentric, 26
Fuel mass, 187 Heliosphere, 85
Gagarin, Yuri, 5 Hohmann transfer, 49
Galileo, 26, 27 Horizon sensors, 172
Galileo, 17, 18 HST, 18
Gemini, 5,6 Hydrazine, 74, 185
GEO, 185 Hydrazinehitrogen tetroxide, 185
Geodesy, 15 Hyperbolic orbit, 30
Geoid, 158 ICBM, 3,20
Geomagnetic field, 93 Imager, 135
Geomagnetic storms, 95 Incidence angle, 138
Geophysical processes, 135 Inclination, 38, 67, 69, 72
Geostationary orbit, 19,44 Index of refraction, 142
Geostationary transfer, 7 1 Inertial Upper Stage (IUS), 194
Geosynchronous orbit (GEO), 43, 172 Information bandwidth, 189
Geosynchronous satellites, 187 Infrared, 133
Global Positioning Satellite (GPS), Instantaneous field-of-view (IFOV),
22, 154, 163 137, 146
Goddard Space Flight Center (GSFC), Intelsat, 19
193 International space station, 22, 100
Goddard, Robert, 3,53 Ionosphere, 87
GOES, 14,15, 134 Ionospheric effect on electromagnetic
Gorizont, 20 propagation, 106, 107
Granulation, 78 ISEE, 15
Gravitational acceleration, 187 Isotropic radiator, 109
Gravitational field, 185 IUE, 18
Gravitational parameter, 32
Gravity gradient stabilized, 17 1 Jet Propulsion Laboratory (JPL), 193
Gravity gradient boom, 172 Johns Hopkins University, 154