Acrux is blue in color
Acrux is over 9000 years old
Acrux is a type B star and will have a temperature of between 10,000 and 30,000 K
blue
Acrux is the brightest star in the constellation Crux.It has an apparent magnitude of +0.77It has an absolute magnitude of -4.14
People in Bethlehem
over 9000 years
Acrux is the brightest star in constellation Crux. It is a multi star system, but only two stars are visually distinguishable.They are approximately 14 and 10 times larger than our Sun.
Acrux is actually a binary star system, comprising of at least three stars. The largest (α Cru 1) has a mass of about 14 times that of the Sun and is 25,000 times more luminous.
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Crux - the Southern Cross. The Bethlehem Star could have been Alpha Crucis (Acrux).
They are called Gamma Crucis and Alpha Crucis (sometimes nicknamed "Gacrux" and "Acrux")