Alioth
noun
\
Definition of Alioth
: a variable star of the first magnitude that is seen in the handle of the Big Dipper and is one of the two brightest stars in that constellation
Alioth, otherwise known as HD 112185, is a variable star with a very well-defined period, its brightness changing by 0.03 magnitude every 5.09 days.— Shireen Gonzaga, Astronomy, December 1991
— called also
Epsilon Ursae Majoris
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