Astronomy Explained Upon Sir Isaac Newton's Principles: And Made Easy to Those who Have Not Studied Mathematics : to which are Added, a Plain Method of Finding the Distances of All the Planets from the Sun, by the Transit of Venus Over the Sun's Disc, in the Year 1761 : an Account of Mr. Horrox's Observation of the Transit of Venus in the Year 1639 : And, of the Distances of All the Planets from the Sun, as Deduced from Observations of the Transit in the Year 1761Matthew Carey, 1809 - 533 من الصفحات |
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الصفحة 11
... March ( called by the Romans the 6th of the calends ) which being reckoned twice , the year was on this account termed bis- sextile . This year is , on another account , called leap . year . Calendar , is a table , almanac , or ...
... March ( called by the Romans the 6th of the calends ) which being reckoned twice , the year was on this account termed bis- sextile . This year is , on another account , called leap . year . Calendar , is a table , almanac , or ...
الصفحة 17
... March , and 22d of September . Excentricity , or eccentricity , of a planet's orbit , is equal to half the distance between the two foci of the elliptical orbit . Focus , foci . See Ellipsis . Frigid zones , those round the poles ...
... March , and 22d of September . Excentricity , or eccentricity , of a planet's orbit , is equal to half the distance between the two foci of the elliptical orbit . Focus , foci . See Ellipsis . Frigid zones , those round the poles ...
الصفحة 89
... March , he is just rising to an observer at n , on the north pole , and setting to another at s , on the south pole . From Che rises higher and higher in every apparent diurnal revolution , till he comes to the highest point of the ...
... March , he is just rising to an observer at n , on the north pole , and setting to another at s , on the south pole . From Che rises higher and higher in every apparent diurnal revolution , till he comes to the highest point of the ...
الصفحة 100
... March he appears at M ; on the 20th at N ; and on the 31st at O. On the tenth of April he appears stationary at P ; on the 20th he seems to have gone back again to O ; and on the 30th he appears stationary at Q , having gone back 11 ...
... March he appears at M ; on the 20th at N ; and on the 31st at O. On the tenth of April he appears stationary at P ; on the 20th he seems to have gone back again to O ; and on the 30th he appears stationary at Q , having gone back 11 ...
الصفحة 147
... March in this figure ( as at g in Fig . I. ) the Sun S , as seen from the Earth , ap- pears at the beginning of Aries , in the opposite part of the heavens * , the north pole is just coming into the light , and the Sun is vertical to ...
... March in this figure ( as at g in Fig . I. ) the Sun S , as seen from the Earth , ap- pears at the beginning of Aries , in the opposite part of the heavens * , the north pole is just coming into the light , and the Sun is vertical to ...
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angle appears April Aries ascending node beginning of egress body circle Clock conjunction degrees diameter diurnal diurnal motion Dominical letter Earth's axis Earth's centre eclipse equal equator equinoctial equinox fixed stars full Moon globe goes round half heavens horizon horizontal parallax inclined Julian period July June Jupiter latitude Leap-Year London longitude lunar lunation March mean Anomaly mean distance mean new Moon Mercury meridian miles minutes Moon's orbit motion noon north pole observed opposite parallel path penumbra planets plate polar circles revolution right line rising round the Earth round the Sun satellites Saturn seconds seen semidiameter Sept shewn side signs solar south pole subtract Sun and Moon Sun's centre Sun's disc Sun's mean suppose tides tion total ingress transit transit of Venus tropic tropic of Cancer tropic of Capricorn true turns round Venus Venus's