History of Astronomy |
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Page vii
... progress of thought and knowledge which it is the object of this History to describe . The progress of human knowledge is measured by the increased habit of looking at facts from new points of view , as much as by the accumulation of ...
... progress of thought and knowledge which it is the object of this History to describe . The progress of human knowledge is measured by the increased habit of looking at facts from new points of view , as much as by the accumulation of ...
Page 3
... progress of astronomy in all ages . So , also , Mr. Cowell has examined the marks made on the baked bricks used by the Chaldæans for record- ing the eclipses of 1062 B.C. and 762 B.C .; and has thereby been enabled , in the last few ...
... progress of astronomy in all ages . So , also , Mr. Cowell has examined the marks made on the baked bricks used by the Chaldæans for record- ing the eclipses of 1062 B.C. and 762 B.C .; and has thereby been enabled , in the last few ...
Page 6
... progress was made when systematic observa- tions began , such as following the motion of the moon and planets among the stars , and the inferred motion of the sun among the stars , by observing their heliacal risings - i.e . , the times ...
... progress was made when systematic observa- tions began , such as following the motion of the moon and planets among the stars , and the inferred motion of the sun among the stars , by observing their heliacal risings - i.e . , the times ...
Page 7
... progress of astronomy can we assign the author with certainty . Probably many of them were independently taken by Chinese , Indian , Persian , Tartar , Egyptian , Babylonian , Assyrian , Phoenician , and Greek astro- nomers . And we ...
... progress of astronomy can we assign the author with certainty . Probably many of them were independently taken by Chinese , Indian , Persian , Tartar , Egyptian , Babylonian , Assyrian , Phoenician , and Greek astro- nomers . And we ...
Page 8
... progress made by all of these nations is insignificant . It will be well now to give an idea of some of the astronomy of the ancients not yet entirely discredited . China and Babylon may be taken as typical examples . China . It would ...
... progress made by all of these nations is insignificant . It will be well now to give an idea of some of the astronomy of the ancients not yet entirely discredited . China and Babylon may be taken as typical examples . China . It would ...
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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