History of Astronomy |
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Page 9
... but many younger nations got into a terrible mess with their calendar from ignorance of the year's length . I These ancient dates are uncertain . It is stated that in 2159 B.C. the royal astronomers B 2 THE GEOMETRICAL PERIOD 9.
... but many younger nations got into a terrible mess with their calendar from ignorance of the year's length . I These ancient dates are uncertain . It is stated that in 2159 B.C. the royal astronomers B 2 THE GEOMETRICAL PERIOD 9.
Page 10
George Forbes. It is stated that in 2159 B.C. the royal astronomers Hi and Ho failed to predict an eclipse . It probably created great terror , for they were executed in punish- ment for their neglect . If this account be true , it means ...
George Forbes. It is stated that in 2159 B.C. the royal astronomers Hi and Ho failed to predict an eclipse . It probably created great terror , for they were executed in punish- ment for their neglect . If this account be true , it means ...
Page 50
... Royal Society of London , and also the Royal Observatory of Greeenwich , where he established Flamsteed as first Astronomer Royal , especially for lunar and stellar observations likely to be useful for navigation . At the same time the ...
... Royal Society of London , and also the Royal Observatory of Greeenwich , where he established Flamsteed as first Astronomer Royal , especially for lunar and stellar observations likely to be useful for navigation . At the same time the ...
Page 58
... Royal , must here be mentioned as having supplied Newton with the accurate data required for completing the theory . The name of Edmund Halley , Second Astronomer Royal , must ever be held in repute , not only for his own discoveries ...
... Royal , must here be mentioned as having supplied Newton with the accurate data required for completing the theory . The name of Edmund Halley , Second Astronomer Royal , must ever be held in repute , not only for his own discoveries ...
Page 59
George Forbes. DEATH MASK OF SIR ISAAC NEWTON . Photographed specially for this work from the original , by kind permission of the Royal Society , London .
George Forbes. DEATH MASK OF SIR ISAAC NEWTON . Photographed specially for this work from the original , by kind permission of the Royal Society , London .
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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