r-proces

r-proces

The buildup of heavy isotopes inside massive stars by the rapid (hence the use of "r") absorption of neutrons by atomic nuclei. See also s-process and supernova.

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Частина мови: noun
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Галузь/тема: Astronomy
Category: Planetary science
Company: PSRD
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Пов'язані терміни

prirodni proces

Geography; Geophysics

a process existing in or produced by nature (rather than by the intent of human beings);

spontani proces

Chemistry; General chemistry

A spontaneous process occurs because of internal forces; no external forces are required to keep the process going, although external forces may be required to get the process ...

izotermski proces

Chemistry; General chemistry

Having constant temperature.

izobarski proces

Physics; General physics

In which pressure remains constant.

izohorski proces

Physics; General physics

In which volume remains constant.

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 ...