H

Hainaut, Olivier, 214 Hale, Alan, 223

Hale-Bopp comet, 199, 201, 223 Halley, Edmond, 200-201, 223-224 Halley's comet, 199, 200-202, 203, 204, 207, 209-212, 214, 216, 218, 219, 221, 223-225 Helene, 131, 142 heliopause, 17, 197 heliosheath, 17, 197 Hencke, Karl L., 21 Hermes, 45-46 Herschel, John, 162, 163, 181 Herschel, William, 137, 138, 162-163, 164-165, 180, 181 Himalia, 112

Hirayama Kiyotsugu, 22 Hubble Space Telescope, 104, 123, 136, 147, 171, 182, 188, 192 Huygens, Christiaan, 126, 133 Hyakutake Yuji, 225 Hyakutake comet, 225 Hydra, 16, 190, 192 Hyperion, 123, 131-133, 142, 144

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