ugljenična zvezda

ugljenična zvezda

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

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Besedna vrsta: noun
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Industrija/področje: Astronomy
Category: Planetary science
Company: PSRD
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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 ...

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.

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.

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.

Ceres

Astronomy; Planetary science

The largest of the known asteroids; a dwarf planet. Also called 1 Ceres because it was the first asteroid to be discovered (by Piazzi in 1801).

Jarkovski efekat

Astronomy; Planetary science

An explanation for the shift in an asteroid's orbit around the Sun due to a thermal thrust caused by the body's uneven heating by sunlight. The illuminated side of an asteroid ...

Viking

Astronomy; Planetary science

U. S. Mission to Mars, composed of two spacecraft, launched in 1975. Viking 1 and Viking 2 both consisted of an orbiter and a lander. Primary mission objectives were to obtain ...

sublimacija

Astronomy; Planetary science

Phase transformation from solid to gas.

Misija Stardust

Astronomy; Planetary science

The fourth in NASA's Discovery program of low-cost spacecraft with highly focused science goals, Stardust was comprised of a spacecraft and capsule that completed a seven-year, ...

Solarna i heliosfericna observatorija

Astronomy; Planetary science

A project of international collaboration between ESA and NASA to study the Sun from its deep core to the outer corona and the solar wind. SOHO was launched in December, 1995. SOHO ...