Artist’s impression of Kepler 186f — the first rocky planet to be found within the habitable zone. Source: NASA Ames/JPL-Caltech
Over 3,500 exoplanets have been discovered so far, over 2000 of which are found by the Kepler Space Telescope, launched in 2009. Besides exoplanets, we have found rouge planets, sub-brown dwarfs and even exocomets.
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