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A circle with an equilateral chord (red). One sixtieth of this arc is a degree. Six such chords complete the circle. [6] The original motivation for choosing the degree as a unit of rotations and angles is unknown. One theory states that it is related to the fact that 360 is approximately the number of days in a year.
According to Parashara all planets cast their aspects on the 3rd and the 10th bhava or house (i.e., at a distance of 60 degrees and 270 degrees), on the 5th and the 9th (120 degrees and 240 degrees), the 4th and the 8th (90 degrees and 210 degrees) and the 7th (180 degrees) but the strength of their aspect varies at different points. Therefore ...
32-point compass rose. The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography.A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each separated by 90 degrees, and secondarily divided by four ordinal (intercardinal) directions—northeast, southeast, southwest, and ...
The length of a degree of longitude (east–west distance) depends only on the radius of a circle of latitude. For a sphere of radius a that radius at latitude φ is a cos φ, and the length of a one-degree (or π / 180 radian) arc along a circle of latitude is
A contra parallel or "split" parallel occurs when two planets have the same number of degrees of declination, but in opposite hemispheres. For example, the moon might be at 20 degrees north latitude, while Pluto appears at 20 degrees south latitude. Its meaning is similar to that of the opposition.
Note that eye movements are excluded in the visual field's definition. Humans have a slightly over 210-degree forward-facing horizontal arc of their visual field (i.e. without eye movements), [4] [5] [6] (with eye movements included it is slightly larger, as you can try for yourself by wiggling a finger on the side), while some birds have a ...
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The degree symbol or degree sign, °, is a glyph or symbol that is used, among other things, to represent degrees of arc (e.g. in geographic coordinate systems), hours (in the medical field), degrees of temperature or alcohol proof. The symbol consists of a small superscript circle.