History of Astronomy |
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Page 55
... equatorial diameter . He then noticed that the consequent bulging of matter at the equator would be attracted by the moon unequally , the nearest parts being most attracted ; and so the moon would tend to tilt the earth when in some ...
... equatorial diameter . He then noticed that the consequent bulging of matter at the equator would be attracted by the moon unequally , the nearest parts being most attracted ; and so the moon would tend to tilt the earth when in some ...
Page 58
... equatorial belt of the earth must revolve round the pole of the ecliptic . Then he set to work and found the amount due to the moon and that due to the sun , and so he solved the mystery of 2,000 years . When Newton applied his law of ...
... equatorial belt of the earth must revolve round the pole of the ecliptic . Then he set to work and found the amount due to the moon and that due to the sun , and so he solved the mystery of 2,000 years . When Newton applied his law of ...
Page 115
... equatorial band , shaped like the new war balloons , 30,000 miles long and 7,000 miles across . The next year it was brick - red . A white spot beside it completed a rotation in less time by 51⁄2 minutes than the red spot - a difference ...
... equatorial band , shaped like the new war balloons , 30,000 miles long and 7,000 miles across . The next year it was brick - red . A white spot beside it completed a rotation in less time by 51⁄2 minutes than the red spot - a difference ...
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Common terms and phrases
accurate observations Airy astro Astronomer Royal Astronomia Nova astronomical units attraction axis bright calculations Cape Cassini catalogue centre century comet compute Copernicus diameter discovered discovery earth eclipse epicycles equatoreal error excentric explain fact fixed stars Galileo Greenwich Halley heavenly bodies heavens heliometer Hipparchus Huggins hydrogen hypothesis instruments Johann Kepler John Herschel Jupiter Jupiter's Kepler Laplace Lick Observatory light line of apses line of sight lunar Mars mathematical mean distance mean motion measured Mercury meteor method miles a second moon moon's nebulę Newton Observatory orbit parallax perihelion period photographic physical planet planetary pole position predicted proper motion proved Ptolemy R. S. Phil records refractor retrograde retrograde motion revolution revolve round ring rotation round the sun satellites seems showed Sirius solar system spectra spectroscope spectrum spots stellar sun-spots sun's surface supposed tables telescope theory tion Trans Tycho Brahe Uranus velocity Venus Verrier zenith