AI has found an 8-planet system like ours in Kepler data | Science News

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AI has found an 8-planet system like ours in Kepler data

In 2013, the space telescope found seven worlds orbiting Kepler 90

8:10pm, December 14, 2017
Kepler 90 system

THIRD ROCK  The keen eye of an AI program discovered that the star system Kepler 90, illustrated here, has an eighth world (dubbed Kepler 90i), which was previously overlooked in exoplanet searches.

Our solar system is no longer the sole record-holder for most known planets circling a star.

An artificial intelligence algorithm sifted through data from the planet-hunting Kepler space telescope and discovered a previously overlooked planet orbiting Kepler 90 — making it the first star besides the sun known to host eight planets. This finding, announced in a NASA teleconference December 14, shows that the kinds of clever computer codes used to translate text and recognize voices can also help discover strange new worlds.

The discovery, also reported in a paper accepted to the Astronomical Journal, can also help astronomers better understand the planetary population of our galaxy. “Finding systems like this that have lots of planets is a really neat way to test theories of planet formation and evolution,” says Jeff Coughlin, an astronomer at the SETI Institute in Mountain View, Calif., and NASA

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