IDU: What does an astrophysicist do?

Host William Shatner knows a little bit about the universe and how it works. Just enough to be dangerous. But do you know who actually knows almost everything about it?

Astrophysicist and science communicator Neil deGrasse Tyson and he joins Mr. Shatner on this week's episode of 'I Don't Understand' to answer what an astrophysicist knows.

Join host William Shatner and seek to answer fascinating and timely questions that pique the natural interest of everyone but that are too-often overlooked by establishment media. “I Don’t Understand” is for curious intellectuals who’d rather be educated than merely entertained by their TV, coming face to face with some of today’s most perplexing conundrums with each mind-blowing episode.