Planet 9 From Outer Space!

Mike Brown and Konstantin Batygin fully expect a new and undemotable ninth planet will be found in the outer reaches of the solar system. The Caltech researchers talk about their findings and much more. Emily Lakdawalla has made a wealth of Chinese lunar lander images much more accessible. Have gravity waves been discovered? Bill Nye hopes so, as he also remembers Apollo 14 moonwalker Edgar Mitchell. Bruce and Mat enjoy a celebrity Random Space Fact and get their first talking answer to the space trivia contest. Related links are here: http://www.planetary.org/multimedia/planetary-radio/show/2016/0208-planet-9-brown-batygin.html