[VIDEO] "Planet 9 from Outer Space"

[rfmcdonald]

Some time ago I linked to James Bow's post which pointed me to this episode of the BBC's The Sky at Night. Co-hosted by Chris Lintott and Maggie Aderin-Pocock, it does a very good job of explaining the case for a massive distant planet in our solar system.

"Is there a 9th Planet? | BBC" (Watch on YouTube)