4 Terms
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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
Add a new termContributors in Planetary science
Planetary science
Interplanetary dust particles (IDPs)
Astronomy; Planetary science
Particles smaller than 10 µm (microns) in size moving in interplanetary space.
Antenna
Astronomy; Planetary science
A conductor by which electromagnetic waves are transmitted or received.
Radioactivity
Astronomy; Planetary science
The spontaneous breaking apart, or decay, of unstable nuclei in isotopes. The unstable radioactive isotope is called the parent, and the products of the decay of the parent are called the daughter ...
Half-life
Astronomy; Planetary science
The amount of time required for half of the mass of a radioactive isotope to decay.
Argument of perihelion
Astronomy; Planetary science
Angle along the orbit of a planet or other Solar System object as measured from the ascending node (analogous to right ascension and longitude).
Pallasite
Astronomy; Planetary science
A stony-iron meteorite that is a mixture of isolated silicate crystals (usually olivine) surrounded by metal.
Sediment
Astronomy; Planetary science
Solid rock or mineral fragments transported and deposited by wind, water, gravity, or ice; precipitated by chemical reactions; or secreted by organisms; accumulated as layers in loose, unconsolidated ...
