20 Terms
Home > Industry/Domain > Astronomy > 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
Add a new termContributors in Planetary science
Planetary science
Fissure
Astronomy; Planetary science
Crack extending far into a planet or moon through which magma travels to and erupts onto the surface.
Meteoritic bombardment
Astronomy; Planetary science
Intensive and prolonged impacts of a surface by meteorites or other impactors.
Short-period
Astronomy; Planetary science
In astronomy, a comet with an orbital period less than 200 years.
Metamorphic
Astronomy; Planetary science
Rocks that have recrystallized in a solid state as a result of changes in temperature, pressure, and chemical environment.
Chondrule
Astronomy; Planetary science
Roughly spherical objects found in a type of meteorite called chondrites. Most chondrules are 0. 5 to 2 millimetres in size and are composed of olivine and pyroxene, with smaller amounts of glass and ...
