Q:

What color is the brightest star?

A:

Quick Answer

The brightest star, as viewed from Earth, is Sirius, and it appears bluish-white to the human eye. It is classified as an A1Vm star and shares the color spectrum with other class-A stars.

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Full Answer

Sirius is 8.6 light-years from Earth, and its scientific designation is Alpha Canis Majoris. It also goes by the names Canicula, Dog Star and Aschere. The next-brightest star, Canopus, is 74 light-years from Earth and shares the same classification and color as Sirius. The third-brightest star is called Rigil Kentaurus, also known as Alpha Centauri. With a G classification, Rigil Kentaurus appears as yellowish-white to the human eye.

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