When did Horizon Season 15 Episode 5 air?
Horizon Season 15 Episode 5 aired on February 17, 1978.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Develops the theory that four and a half thousand million years ago the earth was formed thanks to the explosion of a huge star which provided the rocks, the minerals and the radioactivity from which life developed. These theories are based partly on analysis of a meteorite which dropped near a village in Mexico at the beginning of the seventies.
Direct answers for episode-level questions and details.
Horizon Season 15 Episode 5 aired on February 17, 1978.
This episode runs for approximately 60 minutes.
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