galaxia activa

galaxia activa

1) Active galactic nuclei are very luminous. Their energy output is in two forms: nonthermal continuum and thermal emission line.

2) Any galaxy which is emitting large quantities of non-thermal radiation.

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Sõnaliik: noun
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Valdkond/domeen: Astronomy
Category: General astronomy
Company: Caltech
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galaxia

Astronomy; Galaxy

A galaxy is a massive, gravitationally bound system that consists of stars and stellar remnants, an interstellar medium of gas dust, and an important but poorly understood ...

galaxia

Geography; Physical geography

Conjunto de millones de cientos de miles de millones de estrellas.

galaxia

Aerospace; Space flight

Uno de los miles de millones de sistemas, cada uno compuesto de numerosas estrellas, nebulosas y polvo.

galaxia

Physics; Astronomy

El conjunto de entre un millón a un billón de estrellas, junto con el gas y el polvo, todos unidos por la gravedad.

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 ...