A Planet Called EarthViking Press, 1963 - 257 sidor A biographical sketch of its past, present, and future, written for the general public. |
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THE EARTH IS BORN | 1 |
OUR FAITHFUL MOON | 25 |
THE FAMILY OF PLANETS | 47 |
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air masses amino acids animals areas astronomical atmosphere atoms axis basalt body Book of Sediments Canyon carbon cell Cenozoic cent changes chapter chemical climate clouds comparatively condensation continents core Courtesy craters deposits depth drilling Earth Earth's crust Earth's history Earth's surface energy erosion existence fact feet formation formed fossils geological giant glaciation glaciers globe granite helium Hemisphere hydrogen hypothesis interior ionosphere known larger layers limestone living organism magnetic field Mars material megawatts Mesozoic meteorites miles million Mohorovičić discontinuity molecules molten Moon motion mountain North northern nucleotides observed ocean waters orbit origin oxygen Paleozoic particles period Permian planet planetary polar front present protein protein molecules protoplanets radiation regions represent reptiles result revolution ring rocks rotation S-waves satellites Silurian solar solid Southern Hemisphere space stars sunspots tektites temperature terrestrial tides tion Triassic velocity Venus waves winds
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Along the Ramparts of the Tetons: The Saga of Jackson Hole, Wyoming Robert B. Betts Fragmentarisk förhandsgranskning - 1978 |