spiralna galaksija

spiralna galaksija

A galaxy made up of a disk, spiral arms, and a bulge at its center. The size of the disk and the bulge vary. The galaxy is composed of a mixture of old and young stars, as well as loose interstellar matter (the gas and dust found in the space between stars).

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Loại từ: noun
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Ngành nghề/Lĩnh vực: Physics
Category: Astronomy
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galaksija

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galaksija

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One of billions of systems, each composed of numerous stars, nebulae, and dust.

galaksija

Physics; Astronomy

A collection of a million to a trillion stars, along with gas and dust, all held together by gravity.

aktivna galaksija

Astronomy; General astronomy

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 ...

Galaksija Andromeda

Astronomy; General astronomy

1) A spiral galaxy (kS5 in Morgan's classification) in the Local Group, about 650-700 kpc distant (MV = -21), visible to the naked eye as a fuzzy patch in the constellation of ...

nepravilna galaksija

Physics; Astronomy

A galaxy whose shape is neither elliptical nor spiral. It is often rich in interstellar matter (gas and dust).

svetlosna godina

Physics; Astronomy

The distance traveled by light in a full year, equal to some 10 trillion kilometers (or about 6 trillion miles).

crvene zvezde

Physics; Astronomy

Stars with low temperatures. Hydrogen-burning red stars are small and use their available fuel slowly. These low-mass stars last for tens to hundreds of billions of years — much ...

venov dijagram

Physics; Astronomy

A diagram consisting of two or more overlapping circles. It is often used in mathematics to show relationships between sets. In other applications, Venn diagrams are useful for ...

žuta zvezda

Physics; Astronomy

Stars that live for a medium length of time (about 10 billion years) and are neither extremely cool nor hot. Earth’s Sun is an example of a yellow star.

asterizam

Physics; Astronomy

A pattern formed by stars not recognized as one of the official 88 constellations. Examples include the Summer Triangle, the Big Dipper, and the Winter Circle.