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101 shielding, 101,
106 Absorptance spectral directional,
377 spectral hemispherical,
377 Accelerometer,
359 Active pixel sensors (APS).
See Sun sensor Ada. See Programming language Adams, John Couch,
75 ADCS. See Attitude determination and control system Adiabatic diamagnetic refrigerators (ADR),
140 Advanced orbiting service (AOS),
481 Advancement degree of dif?culty,
34 Aeroassist,
96 Aerobraking, 96,
102 Aerodynamic ef?ciency A6, 173,
174 K1,
173 Aerodynamics, 102, 109, 167, 174,
537 control surface. See Control surface Aerology,
174 Aeronautics,
25 Aerospace,
25 Aggregat series (rocket),
3 Agriculture (in space),
501 Airbag, 204, 533,
547 Albedo,
379 bond,
88 geometric,
88 Albert II (monkey),
8 Alloys (metallic), 220, 222,
238 Altimeter, 355,
368 Ampli?er Gallium Nitride Solid-state power ampli?er (GaN SSPA),
436 high-power ampli?er (HPA),
414 low noise,
413 solid-state power ampli?er (SSPA),
414 Angular momentum,
64 Anik (spacecraft),
398 Annihilation,
281 Antenna, 402, 413, 416,
418 biconical,
420 cassegrain, 421,
425 coverage polygon,
420 cross-pol discrimination (XPD),
419 directivity,
419 dual gridded re?ector (DGR),
421 effective aperture area,
420 feed array,
423 gain,
420 gregorian, 421,
425 isotropic,
410 large offset antenna demonstrator,
244 lens,
422 maximum achievable directivity,
420 noise temperature,
402 phased array,
423 pointing mechanisms (APMs). See Mechanisms, pointing polarization,
419 re?ectarray,
437 re?ector,
420 shaped beam,
423 shaped surface re?ector,
424 sidelobe,
421 unfurlable re?ector,
422 AOCS. See Attitude control Aphelion. See Apoapsis Apoapsis,
64 Apocentre. See Apoapsis Apogee. See Apoapsis Apollo program, 8, 101, 103, 204, 545, 619,
658 command module, 517,
520 guidance computer (AGC),
471 lunar module,
531 lunar surface access module,
289 moon buggy,
545 Argument of latitude,
67 Argument of periapsis,
66 Ariane
5 (rocket), 168, 171, 172, 174, 202,
284 Aristotle,
61 ARPANet,
21 Arrhenius law,
113 Artemis (spacecraft),
228 ASTER (optical sensor),
16 Asteroid,
365 M. Macdonald and V. Badescu (eds.), The International Handbook of Space Technology, Springer Praxis Books, DOI: 10.1007/978-3-642-41101-4, ? Springer-Verlag Berlin Heidelberg
2014 715 A (cont.) Astrodynamics de?nition of,
61 Astronaut,
16 Astronautics,
25 Astronomical unit (au),
40 Astronomy,
17 Atmosphere,
38 aerodynamic disturbance,
338 AIAA guide to reference and standard atmosphere models,
107 atmospheric drag. See Disturbing forces, atmospheric climate, 106,
114 density pro?le, 39,
536 Earth, 83, 106,
537 entry, descent, and landing,
517 global circulation,
108 greenhouse effect,
107 Ionosphere,
41 lapse rate,
107 Mars, 106,
537 Mercury,
107 models, 39, 82, 83,
536 Global reference atmosphere models (GRAM), 83,
537 US standard atmosphere,
83 orbit decay time,
86 temperature pro?le, 39,
536 Titan,
537 Venus, 106,
537 weather, 106,
108 Atmospheric entry vehicle, 99, 100, 109, 203, 515,
518 aerodynamics,
520 Atmospheric Reentry Demonstrator (ARD), 203,
520 constraints,
519 de?nition of,
515 European EXPErimental Reentry Testbed (EXPERT),
203 geometry,
520 heating,
519 in?atable reentry and descent technology (IRDT), 203,
521 Intermediate eXperimental Vehicle (IXV),
203 trajectory,