Jerry Ehman
Self
On a late summer evening in 1977, Ohio radio astronomers discovered a strong, interstellar signal that is believed by many to be the best evidence of communication from an extraterrestrial civilization.
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Jerry Ehman
Self
Karen O'Neil
Self
Seth Shostak
Self
Michael Holstine
Self
Tom Burns
Self
Bob Dawson
Self - Narrator
Robert Dixon
Self
Ellie White
Self - Green Bank Observatory Advocate
