startalk 5 months ago
Neil deGrasse Tyson #Space and Time

StarTalk | What Happened to Planet X?

Where did Planet X go? Neil deGrasse Tyson and comedian Chuck Nice break down the case of Planet X and whether there could be more planets lurking in our solar system.

Learn about the history of discovering planets and why it lead scientists to believe in a Planet X.


Discover how a prediction lead to finding Neptune and Pluto. When did the idea of Planet X go away?


Is there still a chance that there is an unknown planet orbiting in the darkness of our outer solar system? 

StarTalk
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