anomaly

nouns

deviation from the normal or common order or form or rule
is derived from
is derived from
a person who is unusual
is derived from
is derived from
(astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)
domain category
the branch of physics that studies celestial bodies and the universe as a whole
is a type of (narrower)
the particular portion of space occupied by something
"he put the lamp back in its place"