When did Horizon Season 24 Episode 21 air?
Horizon Season 24 Episode 21 aired on May 15, 1987.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 24 · Episode 21
To Catch a Falling Star
May 15, 1987·1h
Report on the future and commercial benefit of research into astronomy conducted by the Royal Greenwich Observatory and other scientific institutions in Great Britain.
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How long is Horizon Season 24 Episode 21?
This episode runs for approximately 60 minutes.
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