policickicni aromaticni ugljovodonik

policickicni aromaticni ugljovodonik

One group of hydrocarbons (benzene) produced by decomposition or decay of organic matter. These are certainly aromatic: they stink!

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Valdkond/domeen: Astronomy
Category: Planetary science
Company: PSRD
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ugljovodonik

Chemistry; General chemistry

Hydrocarbons are organic compounds that contain only hydrogen and carbon. The simplest hydrocarbons are the alkanes .

ugljovodonik

Biotechnology; Energy; Biofuel

A chemical compound that contains a carbon backbone with hydrogen atoms attached to that backbone. What we refer to as petroleum is actually liquid, geologically extracted ...

ugljovodonik

Chemistry; Organic chemistry

One of a very large group of chemical compounds composed only of carbon and hydrogen; the largest source of hydrocarbons is from petroleum crude oil.

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 ...