
A users guide to the cosmos from the big bang to galaxies, stars, planets and moons. Where did it all come from and how does it all fit together. A primer for anyone who has ever looked up at the night sky and wondered.
Selected Episode
No stream/download source for this episode.

Phil Plait
Self - Astronomer

Phil Plait
Self - Astronomer, Discover Magazine

Phil Plait
Self - Phd., Astronomer

Michelle Thaller
Self - Astronomer

Michelle Thaller
Self - Astronomer, NASA Goddard Space Flight Center

Michelle Thaller
Self - Astronomer, NASA Goddard Space Flight Cente

Mike Rowe
Self - Narrator

Mike Rowe
Self - Sel - Narrator

Richard Lintern
Self - Narrator

Hakeem Oluseyi
Self - Astrophysicist

James S. Bullock
Self - Astrophysicist

Lawrence Krauss
Self - Cosmologist

Lawrence Krauss
Self - Theoretical Physicist, Arizona State University

Lawrence Krauss
Self - Theoretical Physicist
Paul M. Sutter
Self - Astrophysicist

Moogega Cooper
Self - Planetary Protection Engineer

Dan Durda
Self - Planetary Scientist

Dan Durda
Self - Astrophysicist

Dan Durda
Self - Planetary Scientist, Southwest Research Institute
Nina Lanza
Self - Planetary Scientist