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 páginas |
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Página 37
... Planets from the Sun, by the Transit of Venus Over the Sun's Disc, in the Year 1761 : an Account of Mr. Horrox's ... Venus's orbit will be in the common centre of gravity of the Sun and Mercury ; the focus of the Earth's orbit in 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 ... Venus's orbit will be in the common centre of gravity of the Sun and Mercury ; the focus of the Earth's orbit in the ...
Página 39
... Planets from the Sun, by the Transit of Venus Over the Sun's Disc, in the Year 1761 : an Account of Mr. Horrox's ... Venus's in 14 deg . 44 min . of Ge- mini п ; and Mercury's in 16 deg . 2 min . of Taurus . Here we consider 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 ... Venus's in 14 deg . 44 min . of Ge- mini п ; and Mercury's in 16 deg . 2 min . of Taurus . Here we consider the ...
Página 46
... Venus's tropics , the Sun continues for about fifteen of our weeks together without setting in summer ; and as long without rising in winter . While he is more than 15 degree from the equator , he neither rises to the inhabitants of the ...
... Venus's tropics , the Sun continues for about fifteen of our weeks together without setting in summer ; and as long without rising in winter . While he is more than 15 degree from the equator , he neither rises to the inhabitants of the ...
Página 48
... Venus's orbit is inclined 3 degrees 24 mi- nutes to the Earth's ; and crosses it in the 15th de- grees of Gemini and of Sagittarius ; and therefore , when the Earth is about these points of the ecliptic at the time that Venus is in her ...
... Venus's orbit is inclined 3 degrees 24 mi- nutes to the Earth's ; and crosses it in the 15th de- grees of Gemini and of Sagittarius ; and therefore , when the Earth is about these points of the ecliptic at the time that Venus is in her ...
Página 97
... Planets from the Sun, by the Transit of Venus Over the Sun's Disc, in the Year 1761 : an Account of Mr. Horrox's ... Venus's path ex- cepted . And if we were to trace out all their ap- parent paths , and put the figures of them ...
... Planets from the Sun, by the Transit of Venus Over the Sun's Disc, in the Year 1761 : an Account of Mr. Horrox's ... Venus's path ex- cepted . And if we were to trace out all their ap- parent paths , and put the figures of them ...
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Astronomy Explained Upon Sir Isaac Newton's Principles: And Made Easy to ... James Ferguson Visualização completa - 1809 |
Astronomy Explained Upon Sir Isaac Newton's Principles: And Made Easy to ... James Ferguson Visualização completa - 1809 |
Astronomy Explained Upon Sir Isaac Newton's Principles: And Made Easy to ... James Ferguson Visualização completa - 1809 |
Termos e frases comuns
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 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 Sun's parallax suppose tides tion total ingress transit transit of Venus tropic tropic of Cancer tropic of Capricorn true turns round Venus Venus's visible
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Página 60 - ... wisely ordered by the Author of nature; for if the axis of this planet were inclined any considerable number of degrees, just so many degrees round each pole would in their turn be almost six of our years together in darkness. And as each degree of a great circle on Jupiter contains...
Página 263 - ... or entirely, intercepts our view of the sun ; the one is called a total, the other a partial, eclipse. Thus the solar eclipse is nothing more than the situation in which the earth is placed when the shadow of the moon falls upon it, and consequently, properly speaking, it is only an eclipse of that part of the earth where the moon's shadow falls. Hence we learn that the sun is not really darkened, but is only for a short space concealed from us by the intervention of another body, whilst he still...
Página 6 - Astronomy explained upon Sir Isaac Newton's principles, and made easy to those who have not studied Mathematics...