NASA has discovered an eighth planet around a distant star, which means we’re no longer the largest solar system we know of. The discovery was made thanks to some artificial intelligence help from Google, which found the planet by scouring previously overlooked “weak” signals in data captured by the Kepler Space Telescope. The newly found planet is located in the solar system around Kepler-90, a star about 2,500 light-years away from Earth that was previously discovered in 2014.

The Kepler Space Telescope has been searching the galactic sky for exoplanets, or planets outside our own Solar System, since it launched in 2009. In order to sift through all the data that it’s captured since that launch, scientists usually look at the…

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