žuta zvezda

žuta zvezda

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.

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Szófaj: noun
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Ipar/Tárgykör: Physics
Kategória: Astronomy
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Kapcsolódó kifejezések

A zvezda (zivedva)

Astronomy; General astronomy

Star with spectral type A in which the spectrum of the Balmer lines of hydrogen attain their greatest strength. Helium lines can no longer be seen. Some metallic lines are ...

ugljenična zvezda

Astronomy; Planetary science

A rare class of red giant stars unusually rich in carbon or carbon compounds.

proto-zvezda

Astronomy; Planetary science

A star in the process of formation which has not yet become hot enough in the core to initiate the process of nuclear fusion (10 7 K) to halt its gravitational collapse.

plava zvezda

Physics; Astronomy

A very hot star with a short lifetime. Blue stars exist for a few million years. Sirius (Alpha Canis Majoris) is an example of a blue star.

Algol (Beta Per, Vrazja zvezda)

Astronomy; General astronomy

1) An eclipsing system of at least three components (B8 V, K0, Am). Period of components A and B is about 68.8 hours; period of components A, B, and C is about 1.9 years. Long ...

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 ...

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.