perihelio

perihelio

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

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Industry/Domain: Astronomy
Category: Planetary science
Company: PSRD
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argumento del perihelio (ω, longitud del perihelio)

Astronomy; General astronomy

Angular distance (measured in the plane of the object's orbit and in the direction of its motion) from the ascending node to the perihelion point.

astrobiología

Astronomy; Planetary science

Study of the origin, distribution, and destiny of life in the universe. These are interdisciplinary studies involving astronomers, astrophysicists, biologists, chemists, ...

organismo

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Any form of animal or plant life.

extrusivas

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Refers to igneous rocks erupted on the surface.

atmósfera

Astronomy; Planetary science

Mixture of gases that surround and are gravitationally attached to a planet.

lava

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Fluid magma that flows onto the surface of a planet or moon; erupted from a volcano or fissure. Also, the rock formed by solidification of this material.

litósfera

Astronomy; Planetary science

Layer in a planetary body consisting of the crust and upper mantle.

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chimmichurri

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