- In astronomy, the
geocentric model (also
known as geocentrism,
often exemplified specifically by the
Ptolemaic system) is a su****ded
description of the...
- Earth-centered, Earth-fixed
coordinate system (acronym ECEF), also
known as the
geocentric coordinate system, is a
cartesian spatial reference system that represents...
-
Earth and
minor axis
aligned to the
rotation axis of the Earth.
These geocentric ellipsoids are
usually within 100 m (330 ft) of the geoid.
Since latitude...
- A
geocentric orbit, Earth-centered orbit, or
Earth orbit involves any
object orbiting Earth, such as the Moon or
artificial satellites. In 1997, NASA estimated...
- Sun's
entry or exit from a sign,
calculate Longitude of Sun,
apparent geocentric ecliptic of date,
interpolated to find time of
crossing 0°, 30°..... For...
-
theurgical and
heliacal horological purposes. The
decans each appeared,
geocentrically, to rise
consecutively on the
horizon throughout each
daily Earth rotation...
-
spherical Earth, in
which case the
geocentric and
geodetic latitudes are
equal and the latitude-dependent
geocentric radius simplifies to a
global mean...
- the real
surface A spheroid, also
called an
ellipsoid of revolution,
geocentric to
model the
entire Earth, or else
geodetic for
regional work A sphere...
- The
diagram at the
right shows how
daily lunar parallax arises on the
geocentric and
geostatic planetary model, in
which the
Earth is at the
center of...
-
crescent at
local sunset is more than 5°
above the
local horizon and (
geocentrically) more than 8° from the Sun." In the
current rule the (computed) lunar...
