- Look up
planetary in Wiktionary, the free dictionary.
Planetary means relating to a
planet or planets. It can also
refer to:
Planetary habitability, the...
-
Planetary science (or more rarely, planetology) is the
scientific study of
planets (including Earth),
celestial bodies (such as moons, asteroids, comets)...
- A
planetary nebula is a type of
emission nebula consisting of an expanding,
glowing s**** of
ionized gas
ejected from red
giant stars late in
their lives...
-
Planetary romance (other
synonyms are
sword and planet, and (inter)
planetary adventure) is a
subgenre of
science fiction in
which the bulk of the action...
-
Planetary habitability is the
measure of a planet's or a
natural satellite's
potential to
develop and
maintain environments hospitable to life. Life may...
- An
epicyclic gear
train (also
known as a
planetary ge****t) is a gear
reduction ****embly
consisting of two
gears mounted so that the
center of one gear...
- A
planetary system is a set of
gravitationally bound non-stellar
objects in or out of
orbit around a star or star system.
Generally speaking, systems...
-
Planetary geology,
alternatively known as
astrogeology or exogeology, is a
planetary science discipline concerned with the
geology of
celestial bodies...
- A
planetary-m****
object (PMO), planemo, or
planetary body is, by
geophysical definition of
celestial objects, any
celestial object m****ive
enough to achieve...
-
David (27
December 2021). "
Planetary Fact
Sheet - Metric". NASA
Goddard Space Flight Center.
Retrieved 11
December 2022. "
Planetary Satellite Physical Parameters"...
