magnezijum

magnezijum

An element with atomic number 12; symbol: Mg. Magnesium is contained in the minerals olivine and pyroxene, and is very abundant in the mantles of the inner planets.

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Category: Planetary science
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magnezijum-trisilikat

Chemistry; Inorganic chemistry

Mg 2 Si 3 O 8 _5H 2 O A white, odorless, tasteless powder; insoluble in water and alcohol; used as an industrial odor absorbent and in medicine.

magnezijum sulfit

Chemistry; Inorganic chemistry

MgSO 3 _6H 2 O A white, crystalline powder; insoluble in alcohol, slightly soluble in water; used in medicine and paper pulp.

magnezijum tiosulfat

Chemistry; Inorganic chemistry

MgS 2 O 3 _6H 2 O Colorless crystals that lose water at 170_C; used in medicine. Also known as magnesium hyposulfite.

magnezijum hidrid

Chemistry; Inorganic chemistry

MgH 2 A hydride compound formed from the metal magnesium; it decomposes violently in water, and in a vacuum at about 280_C.

magnezijum-hidroksid

Chemistry; Inorganic chemistry

Mg(OH) 2 A white powder, very slightly soluble in water, decomposing at 350_C; used as an intermediate in extraction of magnesium metal, and as a reagent in the sulfite wood pulp ...

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).

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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.

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Astronomy; Planetary science

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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 ...

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