Planetary science, also known as planetology and closely related to planetary astronomy, is the
science of
planets, or
planetary systems, and the
solar system. Incorporating an
interdisciplinary approach, planetary science draws from diverse sciences and may be considered a part of the
Earth sciences, or more logically, as its parent field. Research tends to be done by a combination of
astronomy,
space exploration (particularly
robotic spacecraft missions), and comparative, experimental and
meteorite work based on Earth. There is also an important
theoretical component and considerable use of
computer simulation.
Astrogeology is a major component of planetary sciences.
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