 | John Dunton, Richard Sault, Samuel Wesley - 1728 - 604 σελίδες
...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 - 546 σελίδες
...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 - 556 σελίδες
...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 - 488 σελίδες
...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,... | |
 | George Adams - 1812 - 586 σελίδες
...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... | |
 | George Adams - 1812 - 552 σελίδες
...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... | |
 | John Lathrop - 1812 - 218 σελίδες
...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,... | |
 | John Playfair - 1814 - 392 σελίδες
...Temperate Zones, are those contained between the Torrid and Frigid Zones. 84. If a straight line be drawn from the centre of the sun to the centre of the earth, a great circle on the earth's surface, perpendicular to this line, will separate the enlightened hemisphere... | |
 | Edward Polehampton - 1815 - 592 σελίδες
...which joins these two points, is called the line of the apsides. The radins vector is an imaginary line drawn from the centre of the sun to the centre of the planet, in any part of its orhit. The velosity of a planet in its orhit is always greatest at its perihelion.... | |
 | Charles Hutton - 1815 - 686 σελίδες
...having the sun in one of its foci ; and that they all move in these ellipses by this law, that a radius drawn from the centre of the sun to the centre of the planet, always describes equal areas in equal times ; or, which is the same thing, in unequal times,... | |
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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... 
