The Universe
Season 2 Episode 14 - Nebulas
Nebulae are clouds of gas that aren't classified as stars, planets, moons or asteroids. Astronomers use the most sophisticated techniques to view them since they are practically invisible to the naked eye.
Episodes in Season 2
Alien Planets
45 min
Cosmic Holes
45 min
Mysteries of the Moon
45 min
The Milky Way
45 min
Alien Moons
45 min
Dark Matter
45 min
Astrobiology
45 min
Space Travel
45 min
Supernovas
45 min
Constellations
45 min
Unexplained Mysteries
45 min
Cosmic Collisions
45 min
Colonizing Space
45 min
Nebulas
45 min
Wildest Weather in the Cosmos
45 min
Biggest Things in Space
45 min
Gravity
45 min
Cosmic Apocalypse
45 min