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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.

Contributors in Planetary science

Planetary science

farside

Astronomy; Planetary science

The side of the Moon that never faces Earth.

terrain

Astronomy; Planetary science

Area of the surface with a distinctive geological character.

mountain

Astronomy; Planetary science

A natural elevation of a planetary surface.

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 ...

pulsar

Astronomy; Planetary science

Variable radio star having stable, very short (around one second) periods of pulsations. Electrons moving rapidly in a pulsar's magnetic field produce narrow beams of radiation which sweep around as ...

refractory elements

Astronomy; Planetary science

Any chemical element that vaporizes (that is, boils) at high temperatures or condenses from a gas at high temperatures. Examples are calcium (Ca), aluminum (Al), uranium (U), titanium (Ti), the rare ...

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