First discovery of extrasolar planets (now called exoplanets) was announced in 1994. As of mid-April, 2024, NASA announced that data from the Kepler Space Observatory, the James Webb Space Telescope, and other instruments had located 5,612 exoplanets. Scientists have observed another 10,170 exoplanets yet to be confirmed. In addition, experts have found 4,175 planetary systems. Children could learn more at the NASA site, especially the Interactives Tab, at: http://planetquest.jpl.nasa.gov/.
Apr 212024