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โญ Stars & Galaxies
Exoplanets
Planets outside our Solar System; 5,600+ confirmed; some in the "habitable zone" with liquid water
Universe ๐ 1992 Stars & Galaxies
Key Facts
- 1
First confirmed exoplanet: 51 Pegasi b (1995) by Michel Mayor and Didier Queloz (Nobel 2019)
- 2
5,600+ confirmed exoplanets as of 2024; NASA Kepler telescope discovered most of them
- 3
Proxima Centauri b: potentially habitable exoplanet 4.2 light-years away โ in the habitable zone of our nearest star
๐ Did you know? Kepler Space Telescope (2009โ2018) discovered 2,662 exoplanets alone โ transforming our understanding of planetary systems
Quick Reference
Category
Stars & Galaxies
Region
๐ Universe
Year / Era
1992
About
Planets outside our Solar System