irregular variable

irregular variable

noun Astronomy.
a variable star whose brightness variation is irregular.
Also called irregular variable star.


Origin:
1900–05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Irregular variable is always a great word to know.
So is solstice. Does it mean:
a theory that deduces a cataclysmic birth of the universe from the observed expansion of the universe, cosmic background radiation, abundance of the elements, and the laws of physics
either of the two times a year when the sun is at its greatest distance from the celestial equator that takes place about June 21 and about December 22
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