Astronomer Carl Sagan leads us on an engaging guided tour of the various elements and cosmological theories of the universe.
Runtime: 60
Starts: Carl Sagan, JaromÃr HanzlÃk, Jonathan Fahn, Jean Charney, Cecilia White, Bob Hevelone, Larry Soderblom, Bill Grant, Bill Grant, Alan Belod, Linda Morabito, Ronald A. Hilbert, Victor C. John, Arthur 'Lonne' Lane