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 |
Dentro del libro
Resultados 1-5 de 99
Página 54
... shew that there are no seas in the Moon ; for if there were any , their surfaces would appear smooth and even like those on the Earth . The stars sible to 60. There being no atmosphere about the Moon , always vi- the heavens in the day ...
... shew that there are no seas in the Moon ; for if there were any , their surfaces would appear smooth and even like those on the Earth . The stars sible to 60. There being no atmosphere about the Moon , always vi- the heavens in the day ...
Página 56
... shews both that his orbit includes the Earth's within it , and that he shines not by his own light . } How the pear to Mars . 66. To Mars , our Earth and Moon appear like two moons , a larger and a less : changing places with one ...
... shews both that his orbit includes the Earth's within it , and that he shines not by his own light . } How the pear to Mars . 66. To Mars , our Earth and Moon appear like two moons , a larger and a less : changing places with one ...
Página 70
... shews us also , that the near- est stars , which are probably those that seem the largest , are as big as our Sun , and of the same na- ture with him ; otherwise , they could not appear so large and bright to us as they do at such an im ...
... shews us also , that the near- est stars , which are probably those that seem the largest , are as big as our Sun , and of the same na- ture with him ; otherwise , they could not appear so large and bright to us as they do at such an im ...
Página 82
... shews , that it is lighter or less attractive there . To make it oscillate in the same time , it is found necessary to diminish its length . By comparing the different lengths of pendulums swinging seconds at the equator and at London ...
... shews , that it is lighter or less attractive there . To make it oscillate in the same time , it is found necessary to diminish its length . By comparing the different lengths of pendulums swinging seconds at the equator and at London ...
Página 92
... shew that these two circles DL and MO are just as far from the poles N and S'as the observer at i ( or one opposite him at o , ) is from the equator ECQ ; it is plain , that if an observer begins to travel from the equator toward either ...
... shew that these two circles DL and MO are just as far from the poles N and S'as the observer at i ( or one opposite him at o , ) is from the equator ECQ ; it is plain , that if an observer begins to travel from the equator toward either ...
Otras ediciones - Ver todas
Términos y frases comunes
angle apogee appears April Aries ascending node body circle Clock conjunction Constantinople degrees diameter Digits diurnal motion Dominical letter Earth's axis Earth's centre Earth's shadow equal equator equinoctial equinox fall fixed stars full Moon globe goes round half heavens horizon horizontal parallax inclined Julian period July June Jupiter latitude Leap-Year London longitude lunar March 28 mean Anomaly mean distance mean new Moon Mercury meridian miles minutes Moon's orbit motion noon north pole observed old style opposite parallax parallel penumbra perigee planets plate revolution right line rising round the Earth round the Sun satellites Saturn seconds seen semidiameter Sept shew shewn side signs solar subtract Sun and Moon Sun's centre Sun's disc Sun's mean tion total ingress transit transit of Venus tropic tropic of Cancer tropic of Capricorn true turns round Venus Venus's visible