aktivna galaksija

aktivna galaksija

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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เพิ่มภาพ

ส่วนหนึ่งของคำพูด: noun
คำเหมือน:
Blossary:
อุตสาหกรรม/ขอบเขต: Astronomy
Category: General astronomy
Company: Caltech
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galaksija

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 ...

aktinijum

Astronomy; General astronomy

soft, silvery-white, radioactive metal which glows in the dark

nuklearna veličina

Astronomy; General astronomy

See definition for m 2 , above.

orbitalni elementi

Astronomy; General astronomy

Parameters (numbers) that determine an object's location and motion in its orbit about another object. In the case of solar-system objects such as comets and planets, one must ...

orbita

Astronomy; General astronomy

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

meteori

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 ...

m2

Astronomy; General astronomy

The magnitude value measured (or predicted) for a comet's nuclear condensation. Note that the true comet nucleus is rarely, if ever, directly observed from the earth because of ...