P

P-series rockets 18 Parker, Robert 199 Peenemünde 24-5, 25, 26, 28-9,

Peter the Great, Tsar 12-13 Phobos spaceprobes 274 Phoenix Lander 304, 305, 305 photography dark side of Moon 53, 53 from early satellites 50 multispectral imaging 249, 249 reconnaissance satellites 244, 248, 249 Pickering, William H. 48, 48, 49 Pioneer spaceprobes 52-5, 112,

261, 261, 264, 264, 266 planetary motion, laws of 13 Plesetsk Cosmodrome 244 Pluto 306-7 Pogue, Bill 170, 171 Poland 26, 240 Polyakov, Valeri 216 Popovich, Pavel 61, 61, 80-81, 81, 180-81, 180

Progress cargo ferry 182, 210, 210,

220, 220-21, 297 Project Orbiter 38 Project Vanguard 39 propulsion systems ion engines 282, 282 nuclear-powered space travel

311, 311 ramjets 299, 299 see also rockets Proton rocket 126, 127, 180, 210 Pucci, Emilio 115

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