History of Astronomy |
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Page 13
... ( born 480 B.C. ) . He put the traditions into writing . Thales ( 639-546 B.C. ) is said to have predicted an eclipse , which caused much alarm , and ended the battle between the Medes and Lydians . Airy fixed the date May 28th , 585 B.C. ...
... ( born 480 B.C. ) . He put the traditions into writing . Thales ( 639-546 B.C. ) is said to have predicted an eclipse , which caused much alarm , and ended the battle between the Medes and Lydians . Airy fixed the date May 28th , 585 B.C. ...
Page 14
... ( born 499 B.C. ) studied astronomy in Egypt . He explained the return of the sun to the east each morning by its going under the flat earth in the night . He held that in a solar eclipse the moon hides the sun , and in a lunar eclipse ...
... ( born 499 B.C. ) studied astronomy in Egypt . He explained the return of the sun to the east each morning by its going under the flat earth in the night . He held that in a solar eclipse the moon hides the sun , and in a lunar eclipse ...
Page 17
... ( born 429 B.C. ) , the pupil of Socrates , the fellow - student of Euclid , and a follower of Pythagoras , studied science in his travels in Egypt and elsewhere . He was held in so great reverence by all learned men that a problem which ...
... ( born 429 B.C. ) , the pupil of Socrates , the fellow - student of Euclid , and a follower of Pythagoras , studied science in his travels in Egypt and elsewhere . He was held in so great reverence by all learned men that a problem which ...
Page 24
... out in Germany by Müller , known as Regiomontanus , and Waltherus . Nicolai Copernicus , a Sclav , was born in 1473 at For definition see p . 18 . Thorn , in Polish Prussia . He studied at Cracow 24 THE GEOMETRICAL PERIOD.
... out in Germany by Müller , known as Regiomontanus , and Waltherus . Nicolai Copernicus , a Sclav , was born in 1473 at For definition see p . 18 . Thorn , in Polish Prussia . He studied at Cracow 24 THE GEOMETRICAL PERIOD.
Page 33
... born in 1546 of noble parents , was the most distinguished , diligent , and accurate observer of the heavens since the days of Hipparchus , 1,700 years before . Tycho was devoted entirely to his science from childhood , and the ...
... born in 1546 of noble parents , was the most distinguished , diligent , and accurate observer of the heavens since the days of Hipparchus , 1,700 years before . Tycho was devoted entirely to his science from childhood , and the ...
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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 nebulę 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