51 Season
992 Episode
NOVA - Season 41 Episode 10 Alien Planets Revealed
It’s a golden age for planet hunters: NASA's Kepler mission has identified more than 3,500 potential planets orbiting stars beyond our Sun. Some of them, like a planet called Kepler-22b, might even be able to harbor life. How did we come upon this distant planet?
- Country : United States of America
- Genre : Documentary
- Director :
- Cast :