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Procyon

Castor

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castor star,alpha geminorum

Castor, Alpha Geminorum (α Gem), is a sextuple star system located in the constellation Gemini. It is composed of three binary pairs designated Castor A,… Read More »Castor

Pollux

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pollux star,beta geminorum,brightest star in gemini

Pollux, Beta Geminorum (β Gem), is an orange giant star located in the constellation Gemini. With an apparent magnitude of 1.14, it is the brightest… Read More »Pollux

Achernar

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achernar star,alpha eridani

Achernar, Alpha Eridani (α Eri), is a class B hydrogen-fusing dwarf located in the constellation Eridanus. Its estimated luminosity is 3,150 times that of the… Read More »Achernar

Sirius

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sirius star,alpha canis majoris,brightest star in the sky

Sirius, Alpha Canis Majoris (α CMa), is the brightest star in the night sky and one of the nearest star systems to Earth. It has… Read More »Sirius