mars-madness-how-perseverance-will-stick-the-landing-during-its-7-minutes-of-terrorhttps://www.astronomy.com/science/exoplanets/page/9/Exoplanets | Page 9 of 137 | Astronomy.comExoplanets are planets that exist outside our solar system. The first discovery of an exoplanet was in 1992, but now astronomers know of more than 5,000.https://www.astronomy.com/wp-content/uploads/sites/2/2021/09/PIA23517_twin_rovers_main.jpg?fit=1000%2C563InStockUSD1.001.00exoplanetsplanets-observingrobotic-spaceflightsolar-systemarticleASY2023-05-182021-02-1745166
Exoplanets are planets that exist outside our solar system. The first discovery of a confirmed exoplanet was in 1992, but now astronomers know of more than 5,000 exoplanets.