Basic of exo-planet

A planet outside the Solar System is known as an exoplanet or extrasolar planet. In 1917, the first possible evidence of an exoplanet was discovered, but it was not recognized as such at the time. In 1992, the first confirmation of detection was made. Following that, a separate planet, first discovered in 1988, was confirmed. There are 4,834 confirmed exoplanets in 3,572 planetary systems as of September 1, 2021.