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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... "
A New Treatise on the Use of the Globes, Or, A Philosophical View of the ... - 64. oldal
szerző: Thomas Keith - 1811 - 346 oldal
Teljes nézet - Információ erről a könyvről

The Athenian Oracle, 3. kötet

1728
...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...

The Mathematical Principles of Natural Philosophy, 2. kötet

Sir Isaac Newton - 1729
...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...

The Accomplished Tutor: Or, Complete System of Liberal Education ...

Thomas Hodson - 1802
...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,...

The Accomplished Tutor: Or, Complete System of Liberal Education ..., 2. kötet

Thomas Hodson - 1806
...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,...

Astronomical and geographical essays

George Adams - 1812 - 518 oldal
...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...

Astronomical and Geographical Essays: Containing a Full and Comprehensive ...

George Adams - 1812 - 518 oldal
...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...

A Compendious Treatise on the Use of the Globes, and of Maps: Compiled from ...

John Lathrop - 1812 - 183 oldal
...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,...

Outlines of Natural Philosophy: Being Heads of Lectures Delivered ..., 2. kötet

John Playfair - 1814 - 668 oldal
...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...

The Gallery of Nature and Art; Or, a Tour Through Creation and Science, 1. kötet

Edward Polehampton - 1815
...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....

A Philosophical and Mathematical Dictionary: Containing an ..., 2. kötet

Charles Hutton - 1815
...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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