línea de absorción

línea de absorción

1) Dark line in a spectrum, produced when light or other electromagnetic radiation coming from a distant source passes through a gas cloud or similar object closer to the observer. Like emission lines, absorption lines betray the chemical composition and velocity of the material that produces them.

2) Dark line superposed on a continuous spectrum, caused by the absorption of light passing through a gas of lower temperature than the continuum light source.

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Kép hozzáadása

Szófaj: noun
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Ipar/Tárgykör: Astronomy
Kategória: General astronomy
Company: Caltech
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Kapcsolódó kifejezések

absorción

Electronic components; Capacitors

Adhesión de moléculas de gas o líquido a las superficies de sólidos o líquidos con que entran en contacto.

absorción

Chemistry; General chemistry

1. Penetration of molecules into the bulk of a solid or liquid, forming either a solution or compound. Absorption can be a chemical process (a strong solution of NaOH absorbs CO2 ...

absorción

Oktatás; SAT vocabulary

The act or process of absorbing.

absorción

Biológia; Ecology

The passage of water and nutrients through cell membranes instead of by direct ingestion. Also refers to how objects convert the solar radiation they receive into heat.

absorción

Health care; General

To take in substances through the skin or mucous membranes.

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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