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White Star in Aquila
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A fairly massive white star, Altair is the brightest in the constellation of Aquila, the Eagle. It is one of the closest bright stars to Earth: just 17 light years away.
The fainter yellow-orange star seen to the southeast of Altair in this image is Xi Aquilae, a yellow giant lying far beyond the relatively nearby Altair (and actually considerably more intrinsically luminous). This yellow star is also named Libertas, and is known to have at least one planet, the gas giant Fortitudo. Altair itself does not appear to possess a planetary system. Imagery provided by Aladin sky atlas
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