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Planetary Science Research Discoveries
Industry: Astronomy
Number of terms: 6727
Number of blossaries: 0
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Planetary Science Research Discoveries (PSRD) is an educational site sharing the latest research by NASA-sponsored scientists on meteorites, asteroids, planets, moons, and other materials in our Solar System. The website is supported by the Cosmochemistry Program of NASA's Science Mission ...
Ein Körper von Eruptivgestein, die unter der Oberfläche eines Planeten durch das Eindringen und die Kristallisation von Magma gebildet werden.
Industry:Astronomy
Processus qui modifient la structure physique, propriétés optiques ou des propriétés chimiques et minéralogiques de la surface d'un corps planétaire airless de leur état d'origine. Ces processus comprennent le bombardement météoritique, micrométéorites et poussière cosmique, implantation d'ions de vent solaire et pulvérisation, dans une dépression profonde et des températures approchant de zéro absolu (-273 ° C).
Industry:Astronomy
Opšti termin koji opisuje proces masovnog kretanja (odron) materijala na dole pod uticajem gravitacije.
Industry:Astronomy
A natural solid object (metallic or stony/silicate) larger than 10 µm (microns) that has traveled through space, by natural means from the celestial body on which it formed, and has landed on Earth or other planetary body or artificial body/satellite (larger than itself). Most meteorites come from asteroids, but a small number found on Earth come from the Moon (see Lunar meteorites) or Mars (see Martian meteorites). Meteorite types include: iron, stony iron, chondrite, carbonaceous chondrite, and achondrite. A primitive meteorite is defined as a chondrite that experienced minimal heating and aqueous alteration on its parent asteroid. Primitive meteorites have the highest concentrations of presolar grains. (See "Meteors, Meteorites, and Impacts" from The Eight Planets website. ) Meteorites between 10 µm (microns) and 2 mm in size are called "micrometeorites. " Meteorites collected on Earth are named for the location where they are found.
Industry:Astronomy
Mass per unit volume; a measure of how much material is in a given space.
Industry:Astronomy
One group of hydrocarbons (benzene) produced by decomposition or decay of organic matter. These are certainly aromatic: they stink!
Industry:Astronomy
An element with atomic number 26; symbol: Fe. Iron is one of the most abundant elements in the rocky planets. It is the most abundant element in the metallic cores of the inner planets.
Industry:Astronomy
The scientific study of rocks. This is the field within geology that focuses on the origin, occurrence, formation, structure, and composition of mineral assemblages, and classification of rocks.
Industry:Astronomy
Disciplina dinamične geologije koja se bavi pokretima i deformacijamm u Zemljinoj kori.
Industry:Astronomy
A natural elevation of a planetary surface.
Industry:Astronomy
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