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Alpha Cygni

Betelgeuse

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betelgeuse star,alpha orionis

Betelgeuse, Alpha Orionis (α Ori), is a red supergiant star located in the constellation Orion, the Hunter.  It has an estimated radius about 764 times… Read More »Betelgeuse

Albireo

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albireo star,albireo double star,beta cygni

Albireo, Beta Cygni (β Cyg) is the primary component in a multiple star system located in the constellation Cygnus. It appears as an optical double… Read More »Albireo

Aludra

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Aludra star,Eta Canis Majoris

Aludra, Eta Canis Majoris (η CMa) is a blue supergiant located in the constellation Canis Major. It marks the Greater Dog’s tail. With an apparent… Read More »Aludra

Denebola

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denebola star,beta leonis

Denebola, Beta Leonis (β Leo), is a white main sequence star located in the constellation Leo. With an apparent magnitude of 2.113, it is the… Read More »Denebola

Sadr

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sadr star,gamma cygni

Sadr, Gamma Cygni (γ Cyg) is a yellow-white supergiant star located in the constellation Cygnus. With an apparent magnitude of 2.23, it is the constellation’s… Read More »Sadr

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

Polaris

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polaris star,north star,alpha ursae minoris

Polaris, Alpha Ursae Minoris (α UMi), commonly known as the North Star, is the closest relatively bright star to the north celestial pole. It lies… Read More »Polaris