‘Planet nine’ might be five years away from discovery

The gas giant is thought to be almost as big as Neptune and orbiting billions of miles beyond Neptune’s path distant enough to take 10,000 to 20,000 years to circle the sun. (Source: R. Hurt/ caltech)
Scientists say they finally have “solid evidence” for Planet X, a true ninth planet on the fringes of our solar system.
The gas giant is thought to be almost as big as Neptune and orbiting billions of miles beyond Neptune’s path distant enough to take 10,000 to 20,000 years