SAC-B Satelite de Aplicaciones Científicas Type Orbiter Launch Nov. 4, 1996 Partners Argentine Commission on Space Activities (CONAE), NASA Objective Heliophysics and astrophysics Learn more about SAC-B Keep Exploring Discover More Topics From NASA James Webb Space Telescope Webb is the premier observatory of the next decade, serving thousands of astronomers worldwide. It studies every phase in the… Perseverance Rover This rover and its aerial sidekick were assigned to study the geology of Mars and seek signs of ancient microbial… Parker Solar Probe On a mission to “touch the Sun,” NASA's Parker Solar Probe became the first spacecraft to fly through the corona… Juno NASA’s Juno spacecraft entered orbit around Jupiter in 2016, the first explorer to peer below the planet's dense clouds to…