History of Astronomy |
From inside the book
Results 1-5 of 38
Page viii
... explain the invariable humility of the great mathe- matical astronomers . Newton's comparison of himself to the child on the seashore applies to them all . As each new discovery opens up , it may be , boundless oceans for investigation ...
... explain the invariable humility of the great mathe- matical astronomers . Newton's comparison of himself to the child on the seashore applies to them all . As each new discovery opens up , it may be , boundless oceans for investigation ...
Page 6
... explain how the sun , having set in the west , could get back to rise in the east without being seen if it was always the same It was a great step to suppose the earth to be spherical , and to ascribe the diurnal motions to its rotation ...
... explain how the sun , having set in the west , could get back to rise in the east without being seen if it was always the same It was a great step to suppose the earth to be spherical , and to ascribe the diurnal motions to its rotation ...
Page 13
... explains her phases ; that an eclipse of the moon happens when the earth cuts off the sun's light from her . He supposed the earth to be flat , and to float upon water . He determined the ratio of THE GEOMETRICAL PERIOD 13 Ancient Greek ...
... explains her phases ; that an eclipse of the moon happens when the earth cuts off the sun's light from her . He supposed the earth to be flat , and to float upon water . He determined the ratio of THE GEOMETRICAL PERIOD 13 Ancient Greek ...
Page 14
... 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 the moon enters the earth's shadow - both ...
... 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 the moon enters the earth's shadow - both ...
Page 16
... explain how the earth is supported , just as were those who invented the myth of Atlas , or the Indians with the tortoise . Thales thought that the flat earth floated on water . Anaxagoras thought that , being flat , it would be buoyed ...
... explain how the earth is supported , just as were those who invented the myth of Atlas , or the Indians with the tortoise . Thales thought that the flat earth floated on water . Anaxagoras thought that , being flat , it would be buoyed ...
Other editions - View all
Common terms and phrases
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