Achernar(redirected from Alpha Eridani)
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A star in the constellation Eridanus that is one of the brightest stars in the sky and is 114 light years from Earth.
(Astronomy) the brightest star in the constellation Eridanus, visible only in the S hemisphere. Visual magnitude: 0.5; spectral type: B3V; distance: 144 light years
[from Arabic ākhīr al-nahr, literally: end of the river, alluding to the star's location in the constellation]