Scientists have fiercely debated the existence of ‘Planet 9’ for a decade. Some say evidence is piling up
After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...
CNN5d
Scientists have fiercely debated the existence of ‘Planet 9’ for a decade. Some say evidence is piling up
The 2005 revelation set off a chain of events that led to Pluto’s still-controversial demotion from planet status the following year. But now, just as the Kuiper Belt effectively took a ninth ...