Snowball Earth
Horizon · Season 38 · Episode 5
The controversial theory that for millions of years the Earth was plunged into catastrophe - entirely smothered in ice up to one kilometre thick.
Episode Details
Air date, runtime, timezone, and episode position.
Season
38
Episode
5
Air Date
22/Feb/2001
Air Time
21:00
Runtime
60 min
Overview
Episode summary.
The controversial theory that for millions of years the Earth was plunged into catastrophe - entirely smothered in ice up to one kilometre thick.
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