Click above to listen to Part 4 of Skeptic Check: Nibiru! (Again!), featuring Mike Brown, Astronomer at the California Institute of Technology, discussing the possibility of an actual planet in the far reaches of the solar system, which is not in danger of colliding with Earth.
Skeptic Check: Nibiru! (Again!):
Part 1: David Morrison / Nibiru Nonsense
Part 2: Scheduling the End Times
Part 3: Robert E. Bartholomew / Public Panic
Part 4: Mike Brown / Planet X







