We’ve Found 3,989 Planets In Earth’s Neighborhood – And The Number Is Rising

Michael Summers | Professor of Planetary Science and Astronomy The universe is awash in planets. As of this writing, there are 3,989 exoplanets (planets outside of our solar system) that have been confirmed by astronomers. Several thousand more have been detected, but await confirmation. The online Exoplanet Encyclopedia keeps tabs of exoplanet discoveries, and it must […]















