Stephen Hawking's The Grand Design, Chapter 2 - Superstition to Science (Audiobook) Retransmisión de eventos astronómicos en directo. SLOOH SpaceCamera - Live Event. What are years... and the galactic supermassive black hole! The Known Universe by AMNH. The Known Universe by AMNH. Chaîne de spacelab. Space Shuttle Flyout: Astrovan. Carl Sagan - Pale Blue Dot.
A Mandelbrot the size of the known universe. Carl Sagan - You Are Here (Pale Blue Dot) [Sagan Time]