eliptična galaksija

eliptična galaksija

A galaxy having an elliptical shape. Some elliptical galaxies are nearly spherical, while others are more oblate, resembling footballs. An elliptical galaxy is essentially a big bulge composed mostly of old stars and containing little interstellar matter (the gas and dust often found in the space between stars).

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Category: Astronomy
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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 ...

galaksija

Aerospace; Space flight

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.

eliptična putanja

Aerospace; Space flight

The plane in which Earth orbits the sun and in which solar and lunar eclipses occur.

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 ...

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 ...

spiralna galaksija

Physics; Astronomy

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 ...

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.