Planetary science

Planetary science

The scientific study of planets including Earth, moons, and planetary systems of the Solar System in particular and the processes that form them.

Industry: Astronomy

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Planetary science

A temperature scale with the freezing point of water assigned the value 32 °F and the boiling point of water 212 °F at standard pressure. To convert Fahrenheit to Celsius: Deduct 32, then multiply by ...

Topography

Astronomy; Planetary science

The configuration (shapes, positions, arrangements) and relief (elevations, slopes) of the land surface.

Porosity

Astronomy; Planetary science

The percentage of the total volume of rock or soil that consists of open spaces. (The space between particles is called pore space. )

Density

Astronomy; Planetary science

Mass per unit volume; a measure of how much material is in a given space.

Terrain

Astronomy; Planetary science

Area of the surface with a distinctive geological character.

Mass spectrum

Astronomy; Planetary science

The pattern of the relative abundances of ions of different atomic or molecular mass (mass-to-charge ratio) within a sample. It frequently refers to the measured relative abundances of isotopes of a ...

Refractory inclusion

Astronomy; Planetary science

Inclusions, enriched in the rare earths and the other elements mentioned in the definition of refractory, which are identified in rocks petrographically because of their mineralogy, which is ...