@paradoxplanet0: Earth 2.0: The 4 Exoplanets That Could Replace Our World Are we truly alone? Astronomers have pinpointed several candidate worlds orbiting inside habitable zones. From our nearest neighbor Proxima b to "Earth's bigger cousin" Kepler-452b, here is how the top potential Second Earths measure up against our home planet. #sciencefacts #exoplanets #Astronomy #earth2 #universe

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Thursday 08 October 2026 05:25:18 GMT