The age of exoplanets began in 1992, when astronomers detected a pair of planets orbiting a pulsar.
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 c... [7244 chars]

