Astronomers just discovered the most important exoplanet in history

Astronomers just discovered the most important exoplanet in history

The European Southern Observatory just announced the most exciting exoplanet discovery to date: An Earth-sized planet located just 4.25 light-years away in orbit around the star Proxima Centauri. The planet is called "Proxima b" and it will undoubtedly be a leading target for scientists as they hope to discover signatures of life beyond our Solar System. 

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