Space Junk with John Crassidis

After graduating with his PhD in Mechanical and Aerospace Engineering, John Crassidis went to work at the NASA-Goddard Space Flight Center. Now he's a professor at the State University of New York at Buffalo, where he builds satellites and researches the massive amount of man-made space junk. He joins Nate on this episode to talk about the trash orbiting the earth, and what might be done to clean it up.