History of Astronomy |
From inside the book
Results 1-5 of 6
Page
... revolve round the sun,which itself revolves round an imaginary central fire calledthe Antichthon. Copernicus in the sixteenth centuryclaimed Pythagorasas thefounder of the systemwhich he, Copernicus, revived. Anaxagoras (born499 B.C.) ...
... revolve round the sun,which itself revolves round an imaginary central fire calledthe Antichthon. Copernicus in the sixteenth centuryclaimed Pythagorasas thefounder of the systemwhich he, Copernicus, revived. Anaxagoras (born499 B.C.) ...
Page
... revolve onits axis, butto havenoorbital motion. The short epitome so far givenillustrates the extraordinarydeductive methodsadopted bytheancient Greeks. But they wentmuch fartherin the same direction. They seemto have beeningreat ...
... revolve onits axis, butto havenoorbital motion. The short epitome so far givenillustrates the extraordinarydeductive methodsadopted bytheancient Greeks. But they wentmuch fartherin the same direction. They seemto have beeningreat ...
Page
... revolve round it onceayear, and the planets eachin its own period,itis only necessaryto impose upon eachofthese an additional annual motion to enableus to representtruly theapparent motions. Thisway of looking at the apparent motions ...
... revolve round it onceayear, and the planets eachin its own period,itis only necessaryto impose upon eachofthese an additional annual motion to enableus to representtruly theapparent motions. Thisway of looking at the apparent motions ...
Page
... revolve in their epicycles in their own periodic timesand in the deferentround the earthin a year. The majorplanets were supposed to revolve in the deferent round theearth intheir own periodic times, andin their epicycles oncein a year ...
... revolve in their epicycles in their own periodic timesand in the deferentround the earthin a year. The majorplanets were supposed to revolve in the deferent round theearth intheir own periodic times, andin their epicycles oncein a year ...
Page
You have reached your viewing limit for this book.
You have reached your viewing limit for this book.
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 sunÂspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith