1977年8月15日，俄亥俄州立大学的大耳朵射电望远镜探测到了一个强劲的窄带信号。该信号持续了72秒，并表现出独特的强度变化模式。
On Aug. 15, 1977, a narrowband radio signal was detected by the Big Ear Radio Telescope at Ohio State. The signal was powerful, lasted for 72 seconds, and was picked up on only 1 of 50 possible channels. It also showed a distinct pattern – starting low, growing, and then decreasing again – suggesting it Continue reading "Aug. 15, 1977: The Wow! Signal arrives" The post Aug. 15, 1977: The Wow! Signal arrives appeared first on Astronomy Magazine .
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