Timeline Monday 15 August 1977

Monday 15 August 1977

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All times in UTC · Dashed edge = started before, or continues beyond, this day

Events on Monday 15 August 1977 1

1977 Wow! Signal received Mysterious radio signal from deep space The Big Ear radio telescope at Ohio State University received a strong, narrowband radio signal from deep space on August 15, 1977. Volunteer Jerry Ehman circled the data and wrote "Wow!" — the signal has never been explained or received again.