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Its story

In Hercules, far from the busy galactic belt, a yellow G-type star —a distant cousin of the Sun— glows at 410 light-years. Its light was emitted around 1616, when Galileo was still defending Copernicus before an ecclesiastical court. It arrives now at magnitude 5, modest to the naked eye but sharp through optics: a solar-toned flame that crossed four centuries without straying.