![Is It a Planet? Astronomers Spy Promising Potential World around Alpha Centauri - Scientific American Is It a Planet? Astronomers Spy Promising Potential World around Alpha Centauri - Scientific American](https://static.scientificamerican.com/sciam/cache/file/B190D297-F58B-4743-876DB52536DAA1A3_source.jpg)
Is It a Planet? Astronomers Spy Promising Potential World around Alpha Centauri - Scientific American
What's the closest Earth has ever been to another star (besides the Sun) and will Earth ever be closer to another star than we are to Proxima Centauri now? - Quora
![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 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](https://pbs.twimg.com/media/Cszx7xNWcAECbWZ.jpg)