<p>This week on <em>Insult My Intelligence</em>, Tim tackles his vast ignorance about the far edges of our solar system. He always thought Pluto was Planet 9 — but spoiler: it’s not. So is there a real ninth planet out there? To find out, Tim talks to Konstantin Batygin, the scientist behind today’s Planet 9 hypothesis, and astronomer Samantha Lawler, who has her doubts. </p>

<description>&lt;p&gt;This week on &lt;em&gt;Insult My Intelligence&lt;/em&gt;, Tim tackles his vast ignorance about the far edges of our solar system. He always thought Pluto was Planet 9 — but spoiler: it’s not. So is there a real ninth planet out there? To find out, Tim talks to Konstantin Batygin, the scientist behind today’s Planet 9 hypothesis, and astronomer Samantha Lawler, who has her doubts. &lt;/p&gt;</description>

This week on Insult My Intelligence, Tim tackles his vast ignorance about the far edges of our solar system. He always thought Pluto was Planet 9 — but spoiler: it’s not. So is there a real ninth planet out there? To find out, Tim talks to Konstantin Batygin, the scientist behind today’s Planet 9 hypothesis, and astronomer Samantha Lawler, who has her doubts.  

2. What on Earth is Planet 9?

Description