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variable star

DEFINITIONS OF: variable star

1

n a star that varies noticeably in brightness

Synonyms:
variable
Examples:
North Star
the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it
Type of:
star
(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
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