Alcor

Alphecca

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Alphecca star,Alpha Coronae Borealis

Alphecca, Alpha Coronae Borealis (α CrB), is the brightest star in the constellation Corona Borealis, the Northern Crown. Also known as Gemma, Alpha CrB is… Read More »Alphecca

Rigel

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rigel star,beta orionis

Rigel, Beta Orionis (β Ori), is a blue-white supergiant star located in the constellation Orion, the Hunter. With an apparent magnitude of 0.13, it is… Read More »Rigel

Alcor

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alcor star,80 ursae majoris

Alcor is a double star in the constellation Ursa Major. It is the fainter companion to Mizar, the middle star in the handle of the… Read More »Alcor

Mizar

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Mizar star,Zeta Ursae Majoris

Mizar, Zeta Ursae Majoris (ζ UMa), is a quadruple star system in Ursa Major. It has a combined apparent magnitude of 2.04 and lies at… Read More »Mizar

Phecda

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phecda star,gamma ursae majoris

Phecda, Gamma Ursae Majoris (γ UMa), sometimes also known as Phad, is one of the bright stars forming the Big Dipper‘s bowl and the Great… Read More »Phecda