- Industrie: Astronomy
- Number of terms: 6727
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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 ...
An iron-oxide mineral (Fe<sub>2</sub>O<sub>3</sub>) that may be the cause of the red color on Mars. Courser-grained gray hematite has the same chemical formula as the red variety, but a different crystalline structure. The deposits of gray hematite found in the Terra Meridiani region of Mars may suggest that water once circulated through the region's rock layers.
Industry:Astronomy
A deviation from the common rule, type, or form; something abnormal or inconsistent.
Industry:Astronomy
The growth of planets from smaller objects by impact, one impact at a time. After formation, planets are said to have "accreted" from small objects.
Industry:Astronomy
Scientist who studies Earth, its structure, its materials, the physical and chemical processes and changes that occur on the surface and in the interior, and the history of the planet and its life forms. Planetary geologists extend their studies to the Moon, planets, and other solid bodies in the Solar System.
Industry:Astronomy
The central region of a planet or moon frequently made of denser materials than the surrounding regions (mantle and crust). Earth and the Moon are thought to have cores of iron and nickel.
Industry:Astronomy
Температурна шкала, яка призначає значення 0° C freezing point воду і значення 100 ° С до кипіння води при стандартних тиску. Для перетворення за Цельсієм за Фаренгейтом: помножити на 9, потім Розділіть на 5, потім додати 32.
Industry:Astronomy
