Astronomer responsible for demoting Pluto narrows search for hypothetical 'Planet Nine'

In the continued search for the speculated ninth planet in our Solar System, Michael Brown, the CalTech astronomer who led the demotion of Pluto to a dwarf planet in 2006, has co-written a new study that claims to have narrowed the region the planet could be located.

from FOX News https://ift.tt/3newBED