Therefore, Earth is now beginning to make its closest approach to the sun (called perihelion). From Wordnik.com. [Museum Blogs] Reference
An effect of this change is that the time of year that Earth is closest to the Sun, called perihelion, varies through the cycle. From Wordnik.com. [Milankovitch cycles] Reference
Hence each planet is nearer to the sun at one part of its orbit than another; that point is called the perihelion, and the farthest point aphelion. From Wordnik.com. [Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work] Reference
This point of the orbit is known as the perihelion, and at that point the velocity of the earth is at its greatest, because the earth is then nearest the sun. From Wordnik.com. [Aether and Gravitation] Reference
The tangent of a comet's orbit, also, can only be tangential to the circular motion of the ether at and near perihelion, which is a very small portion of its period of revolution. From Wordnik.com. [Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence] Reference
Each time comet Tempel-Tuttle gets closest to the Sun in its orbit, called "perihelion," it sheds a significant amount of material. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
"perihelion" is the point in its path of orbit that comes closest to the sun. From Wordnik.com. [Conservapedia - Recent changes [en]] Reference
They would reach a new perihelion far beyond the limits of safety. From Wordnik.com. [Rip Foster Rides the Gray Planet] Reference
"And she reminds me of Chameleon when she is almost at perihelion,". From Wordnik.com. [Zombie Lover]
But the earth has not always reached its perihelion point during the. From Wordnik.com. [The Prehistoric World; or, Vanished races] Reference
We have referred to the fact that the earth reaches its perihelion point. From Wordnik.com. [The Prehistoric World; or, Vanished races] Reference
Pontecoulant's calculations, its next perihelion passage will take place May 24, 1910. From Wordnik.com. [Scientific American Supplement, No. 315, January 14, 1882] Reference
At the perihelion the planet is urged from the sun and at the aphelion towards the sun. From Wordnik.com. [Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence] Reference
Twenty of these are known, and eleven of them have more than once passed their perihelion. From Wordnik.com. [The Astronomy of Milton's 'Paradise Lost'] Reference
They were within a few miles of perihelion, the point at which they would be closest to Sol. From Wordnik.com. [Rip Foster Rides the Gray Planet] Reference
Figure 1: Position of the equinoxes, solstices, aphelion, and perihelion on the Earth's orbit. From Wordnik.com. [Earth-Sun geometry] Reference
The earth is closest to the sun on 3 January (perihelion) and farthest away on 4 July (aphelion). From Wordnik.com. [Factors affecting surface ultraviolet radiation levels in the Arctic] Reference
On January 3rd, perihelion, the Earth is closest to the sun (147.5 million kilometers) (Figure 1). From Wordnik.com. [Earth-Sun geometry] Reference
At present the earth is about three millions of miles nearer the sun in perihelion than in aphelion. From Wordnik.com. [The Prehistoric World; or, Vanished races] Reference
He even gives its periods, (about six months,) the aphelion of the orbit being near the earth's orbit, and the perihelion within. From Wordnik.com. [Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence] Reference
Now this is exactly what observation teaches us does happen in regard to comets, when they have passed their perihelion passage. From Wordnik.com. [Aether and Gravitation] Reference
At present the earth passes its perihelion point in the Winter of the Northern Hemisphere, and its aphelion point in the Summer. From Wordnik.com. [The Prehistoric World; or, Vanished races] Reference
But if the first day of the perihelion overwhelms us with difficulty, the second day will prove disastrous to the common theory. From Wordnik.com. [Scientific American Supplement, No. 433, April 19, 1884] Reference
Hemisphere such as characterized many of the mild interglacial epochs as long as the earth passed its perihelion point in Winter. From Wordnik.com. [The Prehistoric World; or, Vanished races] Reference
It passed its perihelion on December 8th, and when nearest to the sun was only about 1/10 part of the sun's diameter from the surface. From Wordnik.com. [Aether and Gravitation] Reference
There is no difficulty in accounting for the rise and fall of the tail at perihelion, nor for the tail preceding the nucleus afterward. From Wordnik.com. [Scientific American Supplement, No. 433, April 19, 1884] Reference
Are we to attribute in any degree the different appearances of the sun's corona to the presence or absence of a comet at its perihelion?. From Wordnik.com. [Scientific American Supplement, No. 433, April 19, 1884] Reference
Then as the earth passes round its perihelion, the kinetic energy is used up in assisting the earth to overcome the attraction of the sun. From Wordnik.com. [Aether and Gravitation] Reference
When the orbit is more elliptical, the perihelion is closer to the Sun and the aphelion is farther away than when the orbit is more circular. From Wordnik.com. [Milankovitch cycles] Reference
Having passed its perihelion, in view of the physical existence of our centrifugal motion, let us now ask ourselves what ought to happen to the comet?. From Wordnik.com. [Aether and Gravitation] Reference
The tailor recognizes no aphelion or perihelion in his custom: the thin woollen suit which his patron had made in April is comfortably worn until April again. From Wordnik.com. [The Atlantic Monthly, Volume 13, No. 80, June, 1864] Reference
There is also a correction necessary for the perihelion distance, and another for the tangential current; but we are only considering here the general effect. From Wordnik.com. [Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence] Reference
It is a constant quantity, and only unequally distributed on the earth's surface, being neither increased nor diminished, as our winters occur in aphelion or perihelion. From Wordnik.com. [Life: Its True Genesis] Reference
Besides those already mentioned there are many comets with orbits of such marked eccentricity that their ellipses when near perihelion cannot be distinguished from parabolæ. From Wordnik.com. [The Astronomy of Milton's 'Paradise Lost'] Reference
The position of the comet, October 9th, is at C, approaching its perihelion; that of the earth at the same time at T; while S represents the sun, and SQ the line of equinoxes. From Wordnik.com. [Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence] Reference
Since the orbit of the earth is elliptical, and the sun is situated at one of its foci, the earth is nearly 3,000,000 miles further from the sun in aphelion than in perihelion. From Wordnik.com. [Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889] Reference
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