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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.
Industry: Astronomy
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Planetary science
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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