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 13
... lunar cycle , a period of 19 years , after which the change , full , and other phases of the moon , will happen on the same days of the month , as in the same year of a former cycle . 3. The cycle of Indiction , a period of 15 years ...
... lunar cycle , a period of 19 years , after which the change , full , and other phases of the moon , will happen on the same days of the month , as in the same year of a former cycle . 3. The cycle of Indiction , a period of 15 years ...
Página 14
... lunar cycle , and the 312th of the Christian æra , was the 1st of the Roman Indiction . Hence rules may be easily deduced for computing what year of any of these cycles , corresponds to any given year of the Christian æra . Day , a ...
... lunar cycle , and the 312th of the Christian æra , was the 1st of the Roman Indiction . Hence rules may be easily deduced for computing what year of any of these cycles , corresponds to any given year of the Christian æra . Day , a ...
Página 16
... lunar eclipse , about 12 ° . Ecliptic , a great circle of the sphere in the plane of which the earth performs its ... lunar month occasionally thrown in to bring up the lunar to the solar years . It is also applied to the 29th of ...
... lunar eclipse , about 12 ° . Ecliptic , a great circle of the sphere in the plane of which the earth performs its ... lunar month occasionally thrown in to bring up the lunar to the solar years . It is also applied to the 29th of ...
Página 17
... lunar cycle , increasing annually by unity from 1 to 19 . Gravity , that species of attraction which takes place be tween bodies at a distance from each other , and by which , if not otherwise prevented , they would mutually approach ...
... lunar cycle , increasing annually by unity from 1 to 19 . Gravity , that species of attraction which takes place be tween bodies at a distance from each other , and by which , if not otherwise prevented , they would mutually approach ...
Página 18
... Lunar cycle . See Cycle . Mars , the fourth primary planet from the sun , at the dis- , tance of about 144 millions of miles . Meridians , great circles crossing the equator at right angles . Meridian of the place , that passing through ...
... Lunar cycle . See Cycle . Mars , the fourth primary planet from the sun , at the dis- , tance of about 144 millions of miles . Meridians , great circles crossing the equator at right angles . Meridian of the place , that passing through ...
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Términos y frases comunes
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