History of Astronomy |
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Page 37
... Greenwich Observatory with this special object , to get observations of the moon in all phases . ] He also discovered other lunar equalities , and wanted to add another epicycle to the moon's orbit , but he feared that these would soon ...
... Greenwich Observatory with this special object , to get observations of the moon in all phases . ] He also discovered other lunar equalities , and wanted to add another epicycle to the moon's orbit , but he feared that these would soon ...
Page 64
... Greenwich Observatory ) , who have also predicted its next perihelion passage for April 8th to 16th , 1910 , and have traced back its history still farther , to 240 B.C. Already , in November , 1907 , the Astronomer Royal was trying to ...
... Greenwich Observatory ) , who have also predicted its next perihelion passage for April 8th to 16th , 1910 , and have traced back its history still farther , to 240 B.C. Already , in November , 1907 , the Astronomer Royal was trying to ...
Page 78
... , he started afresh , and left behind him a catalogue of 1,500 stars . Flamsteed began his duties at Greenwich Observatory , as first Astronomer Royal , in 1676 , with very poor instruments . In 1683 he put up a mural arc 78 OBSERVATION.
... , he started afresh , and left behind him a catalogue of 1,500 stars . Flamsteed began his duties at Greenwich Observatory , as first Astronomer Royal , in 1676 , with very poor instruments . In 1683 he put up a mural arc 78 OBSERVATION.
Page 80
... Greenwich star places have maintained the very highest accuracy . George Biddell Airy , Seventh Astronomer Royal , 1 commenced his Greenwich labours in 1835. His first and greatest reformation in the work of the observatory was one he ...
... Greenwich star places have maintained the very highest accuracy . George Biddell Airy , Seventh Astronomer Royal , 1 commenced his Greenwich labours in 1835. His first and greatest reformation in the work of the observatory was one he ...
Page 81
... Greenwich lunar observations have been a model and a standard for the whole world . Airy also undertook to superintend the reduction of all Greenwich lunar observations from 1750 to 1830 . The value of this laborious work , which was ...
... Greenwich lunar observations have been a model and a standard for the whole world . Airy also undertook to superintend the reduction of all Greenwich lunar observations from 1750 to 1830 . The value of this laborious work , which was ...
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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