Alien Planets (S02E01)
S02E01
Have planet hunters finally uncovered evidence of Earth-like planets? Astronomers have identified more than two hundred extraterrestrial worlds outside our solar system, all of which were completely unknown just ten years ago.
Show
The Universe
Episode
S02E01
Air Date
Nov 27, 2007
Season 2 Episodes
S02E01
Alien Planets
S02E02
Cosmic Holes
S02E03
Mysteries of the Moon
S02E04
The Milky Way
S02E05
Alien Moons
S02E06
Dark Matter
S02E07
Astrobiology
S02E08
Space Travel
S02E09
Supernovas
S02E10
Constellations
S02E11
Unexplained Mysteries
S02E12
Cosmic Collisions
S02E13
Colonizing Space
S02E14
Nebulas
S02E15
Wildest Weather in the Cosmos
S02E16
Biggest Things in Space
S02E17
Gravity
S02E18
Cosmic Apocalypse