S1 E1: Introduction to Astronomy: Crash Course Astronomy #1

Here it is, folks: the end. In our final episode of Crash Course Astronomy, Phil gives the course a send off with a look at some of his favorite topics and the big questions that Astronomy allows us ...

As we approach the end of Crash Course Astronomy, it’s time now to acknowledge that our Universe’s days are numbered.

Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the ...