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Its story

In the sober silhouette of Boötes, the herdsman who chases the Bear, burns a rare red M-type star. Its light set out around 856 years ago, near 1170, when Slavic peoples were Christianizing their kingdoms and Chrétien de Troyes was writing the first Arthurian romances. Cooler than the Sun yet gigantic, its reddish tone reveals an already very advanced life. Variable, it beats with a slow pulse, swelling and contracting, as if light itself were sustained by its own breath.