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alnair star,alpha gruis

Alnair, Alpha Gruis (α Gru), is a blue-white main sequence star located in the constellation Grus. With an apparent magnitude of 1.74, it is the… Read More »Alnair


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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