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 53
... April 1720 , N. S. and as her dark edge drew near to them , it caused no change whatever in their colour or situation . At 25 min . 14 sec . past 12 at night , the most westerly of these stars was hid by the dark edge of the Moon ; and ...
... April 1720 , N. S. and as her dark edge drew near to them , it caused no change whatever in their colour or situation . At 25 min . 14 sec . past 12 at night , the most westerly of these stars was hid by the dark edge of the Moon ; and ...
الصفحة 100
... 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 degrees . Thus Mercury seems to go forward 4 signs 11 degrees , or F31 de- grees ...
... 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 degrees . Thus Mercury seems to go forward 4 signs 11 degrees , or F31 de- grees ...
الصفحة 165
... April , the 15th of June , the 31st of August , and the 23d of December . The clock , if it go equa- bly and true all the year round , will be before the SITY Use of the table . Sun from the 23d of Of the Equation of Time . 165 Of the ...
... April , the 15th of June , the 31st of August , and the 23d of December . The clock , if it go equa- bly and true all the year round , will be before the SITY Use of the table . Sun from the 23d of Of the Equation of Time . 165 Of the ...
الصفحة 166
... April ; from that time till the 16th of June the Sun will be before the clock ; from the 15th of June till the 31st of August the clock will be again before the Sun ; and from thence to the 23d of December the Sun will be faster than ...
... April ; from that time till the 16th of June the Sun will be before the clock ; from the 15th of June till the 31st of August the clock will be again before the Sun ; and from thence to the 23d of December the Sun will be faster than ...
الصفحة 179
... April , the Sun is in for mak- the 25th degree of y Aries and his anomaly is 9 ing equa- signs 15 degrees ; the equation resulting from the tion - tables . former is 7 minutes 22 seconds of time too fast Of the Equation of Time . 179.
... April , the Sun is in for mak- the 25th degree of y Aries and his anomaly is 9 ing equa- signs 15 degrees ; the equation resulting from the tion - tables . former is 7 minutes 22 seconds of time too fast Of the Equation of Time . 179.
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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