History of Astronomy |
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Page 8
... invented the art of writing leads immediately to the question how far tradition can be trusted . Our first detailed knowledge was gathered in the far East by travellers , and by the Jesuit priests , and was published in the eighteenth ...
... invented the art of writing leads immediately to the question how far tradition can be trusted . Our first detailed knowledge was gathered in the far East by travellers , and by the Jesuit priests , and was published in the eighteenth ...
Page 16
... invented the myth of Atlas , or the Indians with the tortoise . Thales thought that the flat earth floated on water . Anaxagoras thought that , being flat , it would be buoyed up and supported on the air like a kite . Democritus thought ...
... invented the myth of Atlas , or the Indians with the tortoise . Thales thought that the flat earth floated on water . Anaxagoras thought that , being flat , it would be buoyed up and supported on the air like a kite . Democritus thought ...
Page 27
... invented a third motion , and added it to the two real motions ( rotation and orbital revolution ) . By this third motion the earth , he held , made a revolution on itself and on the poles of the ecliptic once a year ....... Copernicus ...
... invented a third motion , and added it to the two real motions ( rotation and orbital revolution ) . By this third motion the earth , he held , made a revolution on itself and on the poles of the ecliptic once a year ....... Copernicus ...
Page 35
... invented the method of sub - dividing the degrees on the arc of an instrument by transversals somewhat in the way that Pedro Nunez had proposed . He originated the true system of observation and reduction of observations , recognising ...
... invented the method of sub - dividing the degrees on the arc of an instrument by transversals somewhat in the way that Pedro Nunez had proposed . He originated the true system of observation and reduction of observations , recognising ...
Page 55
... invented a mathematical method which he used for computing the ratio of the polar to the equatorial diameter . He then noticed that the consequent bulging of matter at the equator would be attracted by the moon unequally , the nearest ...
... invented a mathematical method which he used for computing the ratio of the polar to the equatorial diameter . He then noticed that the consequent bulging of matter at the equator would be attracted by the moon unequally , the nearest ...
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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 nebulæ 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