The French mathematician Urbain Le Verrier cracked the nut, suggesting the wobbles revealed a hitherto
unseen eighth planet, and pinpointed where it must be.
In talking about the two new planets, NASA focused less on Kepler - 80g and more on Kepler - 90i because it was found to be
the eighth planet orbiting the only star in its solar system.
Identifying exoplanets with deep learning: a five planet resonant chain around Kepler - 80 and
an eighth planet around Kepler - 90.
In data from the Kepler space telescope,
an eighth planet has been spotted in the Kepler - 90 system, tying our own system for the highest number of known planets.
The other discovery, Kepler - 90i, is
the eighth planet in its system.
The eighth planet and the most distant giant gaseous planet in our solar system.
And NASA rounded out its year by announcing it had discovered
an eighth planet in another solar system, making it the only one to match our own for the total tally.
In 1843 John Couch Adams calculated the orbit of
an eighth planet that would account for Uranus» motion.
Updated Thursday afternoon, NASA announced that scientists used a Google neural network to identify
an eighth planet in a foreign solar system.