The Planets and Beyond
S02E08 Comets: Mysteries from the Deep
Title: Comets: Enigmas from the Abyss Plot: Astronaut Mike Massimino uncovers the extraterrestrial mysteries surrounding comets, bizarre travelers from the far reaches of the universe that could hold the key to the origins of life on our planet.
Season 2 Episodes
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Earth: The Secret History
Alien Planets: Cosmic Nightmares
Milky Way: The Monster Inside
Ends of the Solar System: Strange Frontiers
Ice Giants: The Frozen Aliens
Alien Galaxies: The Strange Secrets
Mercury: The Cursed Planet
Comets: Mysteries from the Deep
The Sun: Secrets of Our Star
The Solar System: Alien Origins
Dwarf Planets: Aliens Among Us
Alien Stars: Mystery of the Monsters
Alien Volcanoes: Life in Hell
Alien Moons: The Next Earth
Alien Oceans: Search for Life