Worst Days on Planet Earth
Streaming Video - 2011
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Earth may seem like the most hospitable planet in the solar system. But look again. Startling, new discoveries reveal the blue planet has been plagued by more chaos and destruction than scientists once imagined
Theia Impact (5:57)
The Late Heavy Bombardament (3:52)
Snowball Earth (8:42)
Ordovician Extinction (9:55)
KT Extinction (6:55)
Great Dying (3:16)
Solar Apocalypse (3:25)
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PUBLISHED
Originally released by A&E Networks, 2011
Year Published: 2011
Format: Streaming Video
SUBJECTS
Astronomy
Physical sciences
Solar system