- and
perihelion for the
nearest point in a
heliocentric orbit. Earth's two
apsides are the ****hest point, aphelion, and the
nearest point,
perihelion, of...
-
Perihelion is the
point of
closest approach to the Sun of a body
orbiting the Sun.
Perihelion may also
refer to:
Perihelion: The Prophecy, a 1993 role-playing...
-
Albert Einstein in 1915,
concerned the "anomalous"
precession of the
perihelion of Mercury, the
bending of
light in
gravitational fields, and the gravitational...
-
direction of motion. For
specific types of orbits,
terms such as
argument of
perihelion (for
heliocentric orbits),
argument of
perigee (for
geocentric orbits)...
-
perihelion, Mercury's
angular orbital velocity equals its
angular rotational velocity so that the Sun's
apparent motion ceases;
closer to
perihelion,...
- of certainty, but Hale–Bopp
exceeded most
predictions when it p****ed
perihelion on
April 1, 1997,
reaching about magnitude −1.8. It was
visible to the...
- (ATLAS) is a
partially disintegrated non-periodic comet,
which reached perihelion on 13
January 2025, at a
distance of 0.09 AU (13 million km) from the...
-
sungrazing comet is a
comet that p****es
extremely close to the Sun at
perihelion –
sometimes within a few
thousand kilometres of the Sun's surface. Although...
-
Perihelion Summer is a
science fiction novella/novel by
Australian writer Greg Egan,
published by Tor
Books in 2019. Taraxippus, a
double system of two...
-
Perihelion Software Limited was a
United Kingdom company founded in 1986 by Dr. Tim King
along with a
number of
colleagues who had all
worked together...
