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Did astronomers find another planet in our solar system?

Name: Did astronomers find another planet in our solar system?
Uploaded: 2016-01-21T09:48:57-0500
Duration: 5 min 23 s
Description: Astronomers say they may have found a ninth planet in our solar system, much bigger than Earth. The Franklin Institute's chief astronomer Derrick Pitts joined CBSN with more.

Astronomers say they may have found a ninth planet in our solar system, much bigger than Earth. The Franklin Institute's chief astronomer Derrick Pitts joined CBSN with more.