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Its story

In Boötes, the herdsman that follows the celestial wagon, an orange K-type variable dwarf shines just 37 light-years away, in the Sun s immediate neighborhood. Its light set out around 1989, the year the Berlin Wall fell and the World Wide Web was born, two milestones that reshaped the map of the century. Cooler and smaller than the Sun, its brightness shifts gently, marking an intimate, intensely studied pulse.