Cosmos
Season 1, Episode 13: Unafraid of the Dark
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The Ship of the Imagination makes a final journey to explore one of the biggest mysteries of the universe: dark energy. Meet one of science's greatest unsung heroes, Fritz Zwicky, whose prediction of supernovas paved the way for our larger understanding of dark energy, the unknown force in the universe that overwhelms gravity on the grandest scale. On our final voyage, discover the romantic message embedded in Voyager's Interstellar Golden Record and contemplate the spiritual experience of life on Earth as our cosmic journey concludes with Carl Sagan's unforgettable meditation, The Pale Blue Dot.
All Episodes - Season 1
Episode 1
Standing Up in the Milky Way
Episode 2
Some of the Things that Molecules Do
Episode 3
When Knowledge Conquered Fear
Episode 4
A Sky Full of Ghosts
Episode 5
Hiding in the Light
Episode 6
Deeper, Deeper, Deeper Still
Episode 7
The Clean Room
Episode 8
Sisters of the Sun
Episode 9
The Lost Worlds of Planet Earth
Episode 10
The Electric Boy
Episode 11
The Immortals
Episode 12
The World Set Free
Episode 13
Unafraid of the Dark