History of Astronomy |
From inside the book
Results 1-5 of 9
Page vii
... equal to that of Kepler or Newton , but the point of view was different . Then , again , new points of view are provided by the invention of new methods in that system of logic which we call mathematics . All that mathematics can do is ...
... equal to that of Kepler or Newton , but the point of view was different . Then , again , new points of view are provided by the invention of new methods in that system of logic which we call mathematics . All that mathematics can do is ...
Page 18
... equal arcs on the equant in equal times . He then computed tables for predicting the place of the sun . He proceeded in the same way to compute Lunar tables . Making use of Chaldæan eclipses , he was able to get an accurate value of the ...
... equal arcs on the equant in equal times . He then computed tables for predicting the place of the sun . He proceeded in the same way to compute Lunar tables . Making use of Chaldæan eclipses , he was able to get an accurate value of the ...
Page 42
... equal areas in equal times . These two laws were published in his great work , Astronomia Nova , seu Physica Cœlestis tradita commentariis de Motibus Stellæ Martis , Prague , 1609 . It took him nine years more1 to discover his third law ...
... equal areas in equal times . These two laws were published in his great work , Astronomia Nova , seu Physica Cœlestis tradita commentariis de Motibus Stellæ Martis , Prague , 1609 . It took him nine years more1 to discover his third law ...
Page 53
... equal areas are described by the line from the planet to the sun in equal times ) was only another way of saying that the centripetal force on a planet is always directed to the sun . Also that Kepler's first law ( elliptic orbits with ...
... equal areas are described by the line from the planet to the sun in equal times ) was only another way of saying that the centripetal force on a planet is always directed to the sun . Also that Kepler's first law ( elliptic orbits with ...
Page 54
... equal particles of a body is reciprocally as the square of the distance from the particles . It is said that , when working out this final result , the probability of its confirming that part of his theory which he had reluctantly ...
... equal particles of a body is reciprocally as the square of the distance from the particles . It is said that , when working out this final result , the probability of its confirming that part of his theory which he had reluctantly ...
Other editions - View all
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