History of Astronomy |
From inside the book
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Page 25
... noticed that Nicetas and others had ascribed the apparent diurnal rotation of the heavens to a real daily rotation of the earth about its axis , in the opposite direction to the apparent motion of the stars . Also in the writings of ...
... noticed that Nicetas and others had ascribed the apparent diurnal rotation of the heavens to a real daily rotation of the earth about its axis , in the opposite direction to the apparent motion of the stars . Also in the writings of ...
Page 29
... noticed that the astronomers -those who have evidently read his great book — are very cautious in the words with which they eulogise him , and refrain from attributing to him the foundation of our solar system , which is entirely due to ...
... noticed that the astronomers -those who have evidently read his great book — are very cautious in the words with which they eulogise him , and refrain from attributing to him the foundation of our solar system , which is entirely due to ...
Page 46
... noticed that things tend to come to rest ; a ball rolled on the ground , a boat moved on the water , a shot fired in the air . Galileo realised that in all of these cases a resist- ing force acts to stop the motion , and he was the ...
... noticed that things tend to come to rest ; a ball rolled on the ground , a boat moved on the water , a shot fired in the air . Galileo realised that in all of these cases a resist- ing force acts to stop the motion , and he was the ...
Page 52
... noticed , and to discover the oblate figure of the earth and the cause of the tides . These investigations occupied the best part of his life ; but he wrote the whole of his great book in fifteen months . The writer inherited from his ...
... noticed , and to discover the oblate figure of the earth and the cause of the tides . These investigations occupied the best part of his life ; but he wrote the whole of his great book in fifteen months . The writer inherited from his ...
Page 55
... 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 parts of her orbit and the sun ...
... 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 parts of her orbit and the sun ...
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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