Synonyms and antonyms of Parts of planets and stars in American Thesaurus

axis (noun)

astronomy an imaginary line through the middle of an object such as a planet, around which it seems to spin

core (noun)

the central part of a planet

corona (noun)

the outer atmosphere of the Sun

crater (noun)

a large round hole on the surface of a planet caused by a meteorite hitting the surface

magnitude (noun)

astronomy the brightness of a star, shown as a number

sunspot (noun)

a dark area on the surface of the sun