Plot: Until recently most scientists thought they knew what killed off the dinosaurs. A 10km-wide meteorite had smashed into the Yucatan peninsula in Mexico, causing worldwide forest fires, tsunamis several kilometres high, and an 'impact winter' - in which dust blocked out the sun for months or years

Horizon - Season 41 - What Really Killed the Dinosaurs? (Episode 14)
Episode Aired On:
Thursday, October 7 2004
20 years ago
Thursday, October 7 2004
20 years ago