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Proxima est liée à Alpha Centauri -
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Learn to Skywatch on X: "Alpha Centauri, the closest solar system to our Sun is about 4.3 LY away. How far is that? 40,680,272,120,000 km! https://t.co/z3sMzFfM6t" / X
Alpha Centauri, the star system closest to our sun
