SpaceX launched 24 more of its Starlink internet satellites today (Sept. 19), sending them up from Vandenberg Space Force Base in California.
The age of exoplanets began in 1992, when astronomers detected a pair of planets orbiting a pulsar. Then, in 1995, astronomers discovered the first exoplanet orbiting a main sequence star. As NASA's Kepler and TESS missions got going, the number of confirmed exoplanets continued to rise.

