Hubble pins down weird exoplanet with far-flung orbit that behaves like the long-sought ‘Planet Nine’

A planet in an unlikely orbit around a double star 336 light-years away may offer a clue to a mystery much closer to home: A hypothesized, distant body in our solar system dubbed “Planet Nine.”

Source:
https://phys.org/news/2020-12-hubble-pins-weird-exoplanet-far-flung.html