11 articles for "Earth"
Earth [Astro*Index]1. Third planet from the Sun.
2. One of the four ancient elements: Fire, Earth, Air, and Water.
See also: ♦ ElementsEarth, Axial Rotation of the [Astro*Index]
The rotation of the Earth upon its spin-axis once each day.
See also:Earth Chart [Prima]
♦ Astronomy ♦ Axis
One of the charts used in the Hamburg School or Uranian system of astrology.
The cusp of the first house is equal to 0° Libra, and the chart is divided into equal houses.
It represents the native's relationship to the general public, publicity, and world conditions.
See also: ♦ Hamburg School
The locus of points on the surface of the Earth at which Astronomical Latitude (determined by a plumb line) is exactly zero. Note that this path is not a circle, due to local fluctuations of the vertical.
See also: ♦ AstronomicalEarth, Motions of [Astro*Index]
Four principal motions of the Earth are recognized:
(1) Diurnal Rotation upon its spin-axis;
(2) Annual Revolution (about the Sun);
(3) Precession;
(4) Nutation.
[The history of the discovery of these motions.]
See also:Earth, Axial Rotation [Astro*Index]
♦ Diurnal Rotation ♦ Annual Revolution ♦ Precession ♦ Nutation
The rotation of the Earth upon its spin-axis once each day.
See also: ♦ Astronomy ♦ AxisEarth, Shape of [Astro*Index]
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See also: ♦ Astronomy ♦ Geocentric LatitudeEarth Shine [Astro*Index]
The dimly lit surface of the crescent moon, caused by light reflected from the surface of the Earth, to the Moon, and back to the Earth again.
See also: ♦ Crescent MoonEarth Signs [Astro*Index]
In modern Tropical Astrology (i.e., post- Ptolemaic times), the Earth triplicity (Taurus, Virgo, and Capricorn). Ancient Egyptian astrology assigned *** as Earth Signs.
See also:Earth Signs [DeVore]
♦ Elements ♦ Tropical Astrology ♦ Taurus ♦ Triplicity ♦ Virgo ♦ Egyptian Astrology ♦ Capricorn
Those of the Earth Triplicity: Taurus, Virgo, Capricorn. The ancients symbolized these types by the Earth element, because of their predominant "Earthiness" or practicality. v. Signs.
See also:Earth, Size of [Astro*Index]
♦ Signs ♦ Elements ♦ Tropical Astrology ♦ Taurus ♦ Triplicity ♦ Virgo ♦ Egyptian Astrology ♦ Capricorn
Equatorial Radius: | 3,958.80 mi | Ι | 6,371.00 km |
Polar Radius: | 3,950.00 mi | Ι | 6,356.00 km |
Equatorial Diameter: | 7,926.00 mi | Ι | 12,756.00 km |
Polar Diameter: | 7,899.86 mi | Ι | 12,713.60 km |
Equatorial Circumference: | 24,901.00 mi | Ι | 40,075.00 km |
Polar Circumference: | 24,860.00 mi | Ι | 40,008.00 km |
See also: ♦ Astronomy ♦ Eratosthenes
Astro*Index Copyright © 1997 Michael Erlewine
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