 | John Dunton, Richard Sault, Samuel Wesley - 1728 - عدد الصفحات: 604
...according as theib Parallels are more or lefs remote from the Equator, the Angle comprehended by a Ray drawn from the Centre of the Sun to the Centre of the Earth, and by the Axis of the World, changes accordingly j for Infiance, the Sun being in the Equator, this... | |
 | Isaac Newton - 1729 - عدد الصفحات: 546
...radius CP, we fuppofe the fphere P ape to be defended, and QJR. to denote the plane on which a right line, drawn from the centre of the Sun to the centre of the Earth, injijls at right angles, and farther fuppofe, that the fever al particles of the whole exterior Earth... | |
 | Thomas Hodson - 1802 - عدد الصفحات: 556
...he further difcovered thefe two primary laws, from hence called Kepler 'i Laws: viz. that a radius drawn from the centre of the Sun to the centre of the planet, ahvays defcribes equal areas in equal times ; or, which is the lame thing, in unequal terms,... | |
 | Thomas Hodson - 1806 - عدد الصفحات: 488
...thefe two VOL. ii- a D primary primary laws, from hence called Kef lei's Laws : viz. that a radius drawn from the centre of the Sun to the centre of the planet, always defcribes equal areas in equal times ; or, which is the fame thing, in unequal terms,... | |
 | Ezra Sampson - 1807 - عدد الصفحات: 506
...Kepler was the first who discovered the great and universal law of the motion of planets ; namely, that a line drawn from the centre of the sun to the planet, and revolving with it, would always describe equal areas in equal times ; insomuch that, however... | |
 | Thomas Keith - 1811 - عدد الصفحات: 388
...preserve the same angle with ah, it will point out the seasons of the year; for, suppose a line to be drawn from the centre of the sun to the centre of the earth, it is evident that the sun will be vertical to that part of the earth which is cut by this line. Now,... | |
 | George Adams - 1812 - عدد الصفحات: 552
...the dark side, and is the boundary between light and darkness, is generally called the terminator. A line drawn from the centre of the sun to the centre of the earth, is perpendicular to the plane of this circle. It is plain that, when any given place on the globe first... | |
 | George Adams - 1812 - عدد الصفحات: 586
...the dark side, and is the boundary between light and darkness, is generally called the terminator. A line drawn from the centre of the sun to the centre of the earth, is perpendicular to the plane of this circle. ' It is plain that, when any given place on the globe... | |
 | John Lathrop - 1812 - عدد الصفحات: 218
...preserve the same angle with ab, it will point out the seasons of the year; for, suppose a line to be drawn from the centre of the sun to the centre of the earth, it is evident that the sun will be vertical to that part of the earth which is cut by this line. Now,... | |
 | Ezra Sampson - 1813 - عدد الصفحات: 434
...Kepler was the first who discovered the great and universal law of the motion of planets ; namely, that a line drawn from the centre of the sun to the planet, and revolving with it, would always describe equal areas in equal times ; insomuch that, however... | |
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In this case, it is obvious that the plane of the circle of illumination would be perpendicular to a line drawn from the centre of the sun to the centre of the earth... 
