What on Earth is Planet 9?

07/21/21 • 36 min

Tim Dowling learns about the Planet 9 theory from one of its originators Professor Konstantin Batygin. The theory is that way beyond Neptune and Pluto, on the outer reaches of the Solar System a 9th planet, 5 times the mass of Earth is orbiting the Sun once every 10,000 years. We also hear from Professor Samantha Lawler, who is not as convinced by the evidence for the existence of Planet 9.

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Insult My Intelligence - What on Earth is Planet 9?

Transcript

Tim Dowling00:00:17.940

Welcome to insult my intelligence. Today the topic is Planet Nine. Now the way we select our topics is this Johnnie suggests ideas until he finds an area where my ignorance is boundless. This doesn't usually take very long. He says the thing I say, What are you talking about? And we're off. But when he said, Do you know anything about Planet Nine? I'm afraid I said, Yeah, Pluto is Planet Nine. In an episode of QI, this would have been the momen