The Earth's BeginningD. Appleton, 1902 - 384 páginas |
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Términos y frases comunes
actual argument asteroids astronomers attraction axis ball bodies carbon celestial centre chapter cluster coal collision combustion contraction course density depth diameter direction discovery distance doubt earth earth's crust earthquake ecliptic elements equal evolution explain fact gaseous globe gradually greater heavens hole illustration important increase internal heat Isaac Roberts Jupiter Krakatoa Laplace Lick Observatory light Lord Rosse mass material miles million moment of momentum momentum moon motion movements moving Nature Nebula in Orion nebular theory Neptune object observation Observatory orbits original oxygen particles period perpendicular photograph planets pound present primæval nebula principal plane produced quantity of energy quantity of heat radiation remarkable revolves round ROBERT STAWELL BALL rocks rotation round the sun satellites of Uranus Saturn seismometer shell solar system solid space spectra spectrum spiral nebula stars sufficient sun's surface telescope temperature thousand tion transformation Uranus vapour velocity
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Página 20 - A thousand ages in thy sight are like an evening gone, short as the watch that ends the night before the rising sun.
Página 368 - This world was once a fluid haze of light, Till toward the centre set the starry tides, And eddied into suns, that wheeling cast The planets...