History of Astronomy |
From inside the book
Results 1-5 of 16
Page 8
... appear that Fohi , the first emperor , reigned about 2952 B.C. , and shortly afterwards Yu - Chi made a sphere to represent the motions of the celestial bodies . It is also mentioned , in the book called Chu- King , supposed to have ...
... appear that Fohi , the first emperor , reigned about 2952 B.C. , and shortly afterwards Yu - Chi made a sphere to represent the motions of the celestial bodies . It is also mentioned , in the book called Chu- King , supposed to have ...
Page 20
... appears that 4,000 years ago — i.e . , about 2100 B. C. - an observer at the lower end of the passage would be able to see yDraconis , the then pole- star , at its lower culmination.1 It has been suggested that the passage was made for ...
... appears that 4,000 years ago — i.e . , about 2100 B. C. - an observer at the lower end of the passage would be able to see yDraconis , the then pole- star , at its lower culmination.1 It has been suggested that the passage was made for ...
Page 28
... appear to have any physical connexion with the planets as the centre of their motions . According to Copernicus ' sixth book , the planes of the planetary orbits do not pass through the sun , and the lines of apses do not pass through ...
... appear to have any physical connexion with the planets as the centre of their motions . According to Copernicus ' sixth book , the planes of the planetary orbits do not pass through the sun , and the lines of apses do not pass through ...
Page 36
... appear , and possibly that old ones may disappear , had upon him exactly the same effect that a similar occurrence had upon Hipparchus 1,700 years before . He felt it his duty to catalogue all the principal stars , so that there should ...
... appear , and possibly that old ones may disappear , had upon him exactly the same effect that a similar occurrence had upon Hipparchus 1,700 years before . He felt it his duty to catalogue all the principal stars , so that there should ...
Page 48
... appear at Rome , where he was charged with holding and teaching heretical opinions about the movement of the earth ; and he then solemnly abjured these opinions . There has been much exaggeration and misstatement about his trial and ...
... appear at Rome , where he was charged with holding and teaching heretical opinions about the movement of the earth ; and he then solemnly abjured these opinions . There has been much exaggeration and misstatement about his trial and ...
Other editions - View all
Common terms and phrases
accepted accurate ancient appear astronomers attraction bodies bright calculations called catalogue cause centre century Chinese circle comet compared complete Copernicus determined diameter direction discovered discovery distance earth eclipse effect elements enabled epicycles equal error explain fact fixed follow force four Galileo gave give given gravitation heavens held Herschel increased interesting Jupiter Kepler knowledge known later LIBRARIES light lunar Mars mass mathematical mean measured method miles moon moon's motion move Newton noticed object observations Observatory opposition orbit original parallax pass period photographic physical planet planetary pole position predicted progress proper motion proved records researches revolve ring rotation round Royal satellites seems seen showed SIGILLUM solar system spectroscope spectrum stars studied sun's supposed surface tables telescope theory tion trace true Tycho Brahe UNIVERSITY VERITAS