History of Astronomy |
From inside the book
Results 1-5 of 25
Page
... onthe seashore applies tothemall. As each new discovery opens up, itmay be, boundless oceans for investigation, for wonder,and for admiration, the great astronomers, refusingtoaccept mere hypotheses as true, have founded upon these ...
... onthe seashore applies tothemall. As each new discovery opens up, itmay be, boundless oceans for investigation, for wonder,and for admiration, the great astronomers, refusingtoaccept mere hypotheses as true, have founded upon these ...
Page
... on the vaultof heaven. Itwas a transition from "flatland" to a space of three dimensions. Great progress was madewhen systematic observations began, such asfollowingthe motion of the moon andplanets among the stars,and the inferred ...
... on the vaultof heaven. Itwas a transition from "flatland" to a space of three dimensions. Great progress was madewhen systematic observations began, such asfollowingthe motion of the moon andplanets among the stars,and the inferred ...
Page
... onthe fourteenth day of theJewish month Tammuz." Ptolemy, inthe Almagest (Suntaxis), says it occurred inthe seventh yearof Cambyses, onthenight ofthe seventeenthand eighteenthof the Egyptianmonth Phamenoth.Pingré and Oppolzerfixthe date ...
... onthe fourteenth day of theJewish month Tammuz." Ptolemy, inthe Almagest (Suntaxis), says it occurred inthe seventh yearof Cambyses, onthenight ofthe seventeenthand eighteenthof the Egyptianmonth Phamenoth.Pingré and Oppolzerfixthe date ...
Page
... on the airlike a kite. Democritus thought it remained fixed, like the donkey between two bundles of hay, becauseit ... on the universe and on the laws of the heavenly bodies were no better than madmen (Xen. Mem, i.1,1115). Plato (born429 ...
... on the airlike a kite. Democritus thought it remained fixed, like the donkey between two bundles of hay, becauseit ... on the universe and on the laws of the heavenly bodies were no better than madmen (Xen. Mem, i.1,1115). Plato (born429 ...
Page
... on the left as he traversed the deep" when sailing from the pillars of Hercules (Gibraltar) to Corfu. Yetsucha course taken now would land the traveller in Africa. Odysseus is saidin hisvoyage in springtime to have seen the Pleiades and ...
... on the left as he traversed the deep" when sailing from the pillars of Hercules (Gibraltar) to Corfu. Yetsucha course taken now would land the traveller in Africa. Odysseus is saidin hisvoyage in springtime to have seen the Pleiades and ...
Other editions - View all
Common terms and phrases
Airy allthe andthat andthe asthe Astronomer Royal Astronomia Nova astronomical units atmosphere atthe attraction axis bright bythe calculations catalogue centre century Chaldæans Chinese comet confirmed Copernicus detected diameter discovered discovery distance earth eclipse epicycles equatoreal excentric explain fixed stars FOOTNOTES Frauenhofer fromthe Galileo Greenwich Halley havebeen heavenly bodies heavens heliometer Herschel Hipparchus Huggins hydrogen hypotheses inequality instruments inthe isthe John Herschel Jupiter Jupiter's Kepler lawof Lick Observatory light lines lunar Mars mathematical mean motion measured Mercury meteor miles moon moon's nebula Newton ofthese onthe orbit parallax perihelion period photographic physical planet planetary position predicted proper motion Ptolemy records reflector refractor retrograde retrograde motion revolve rotation round satellites Saturn seems solar system spectra spectroscope spectrum spots stellar sun's sunspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith