A bright binary star system in the constellation Cygnus, famous for its striking contrast between a golden-yellow and blue-green star.
From Arabic 'al-birʿa' meaning 'the eagle's beak,' a mistranslation or corruption of the original Arabic star name that stuck in Western astronomy.
Albireo looks like a single bright star to the naked eye, but telescopes reveal it's actually two stars orbiting each other with colors so different they look like someone painted them with gold and teal paint.
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