avance del perihelio

avance del perihelio

The slow rotation of the major axis of a planet's orbit in the same direction as the revolution of the planet itself, due to gravitational interactions with other planets and/or other effects (such as those due to general relativity.)

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Industry/Domain: Astronomy
Category: General astronomy
Company: Caltech
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perihelio

Astronomy; General astronomy

The point where (and when) an object orbiting the sun is closest to the sun.

perihelio

Astronomy; Planetary science

Point in the elliptical orbit of a comet about the Sun in which it passes closest to the Sun.

perihelio

Astronomy; Mars

The point in the orbit of a planet where it is nearest to the sun.

perihelio

Biology; Ecology

The point in the Earth's orbit when it is closest to the sun (147. 5 million km). Perihelion occurs on the 3rd or 4th of January. The opposite of Aphelion.

perihelio

Astronomy; Moon

El punto más cercano al Sol en la órbita de un cuerpo planetario.

Sistema de Procesado de imágenes astronómicas

Astronomy; General astronomy

Developed by the National Radio Astronomy Observatory.

órbita

Astronomy; General astronomy

The path of one object about another (used here for an object orbiting the sun).

meteoros

Astronomy; General astronomy

Small rocky and/or icy particles that are swept up by the earth in its orbit about the sun. Also called "shooting stars", they travel across the sky in a very short time, from ...

equinoccio

Astronomy; General astronomy

Either of the two points (vernal, autumnal) on the celestial sphere where the ecliptic (which is the apparent path of the sun on the sky) intersects the celestial equator. Due to ...

cometa

Astronomy; General astronomy

A celestial body orbiting the sun (though some may be ejected from the solar system by planetary perturbations) that displays (at least during a portion of its orbit) some ...

cenit

Astronomy; General astronomy

The point directly overhead in the sky.

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