A bright star in the constellation Eridanus, the ninth-brightest star visible from Earth's southern hemisphere.
From Arabic 'aqab al-nahr' meaning 'end of the river,' referring to the star's position at the terminus of the river constellation Eridanus in ancient star maps.
Arabic astronomers named this star over a thousand years ago, and we still use their exact phrase today—it's like they left a label on the night sky that stuck around forever!
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