| John Dunton, Richard Sault, Samuel Wesley - 1728 - 604 страници
...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 Angle is right, butif'it is in the Tropic of Cancer,... | |
| John Keill - 1739 - 504 страници
...Earth from the dark Side, is called the Circle of the Interfection of Light and Shadow ; a Line drawn from the Center of the Sun, to the Center of the Earth, is always perpendicular to the Plane of this Circle. IF the Axis of the Earth had been placed in a... | |
| 1893 - 670 страници
...orbit, or Whence, for the earth as a whole *>tr=Mt L . . . (2) in which r is, strictly, the distance from the center of the sun to the center of the earth. For a small mass Ml forming a portion of the earth and situated at its center, we have from (2) w imr... | |
| Lu Lester Everly, Ralph Earl Blount, Calvin Levi Walton - 1907 - 336 страници
...represent the sun. This is the position the earth has relative to the sun March 21. 1. Imagine a thread from the center of the sun to the center of the earth. At what point does it pierce the earth's surface ? This is called the " vertical ray." 2. What angle... | |
| Charles Holm - 1912 - 192 страници
...the earth is in a horizontal position at the time of the equinoxes, if then a straight line is drawn from the center of the sun to the center of the earth, it will be perpendicular to the axis of the earth, that is exactly vertical with it, thus forming two... | |
| Herbert Zabriskie Kip - 1916 - 576 страници
...größer. The method of computation is this: Imagine a hollow sphere whose radius is equal to the distance from the center of the sun to the center of the earth. The area of this spherical surface, which — disregarding intermediate planetary bodies — would... | |
| Dorothy Stimson - 1917 - 162 страници
...sphere by several astrologers, its center the center of the earth, and its radius equal to a line drawn from the center of the sun to the center of the earth. This was written for the unlearned, as you have known from the astrologers . ... . [Aristarchus of... | |
| J. Douglas Balcomb - 1992 - 558 страници
...direct normal, or beam radiation. It is accurately modeled to arrive in a path coincident with the ray from the center of the sun to the center of the earth. The remaining radiation, called the diffuse component, is scattered in all directions with a distribution... | |
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