A Texas witness at Prosper reported hearing a humming sound that sent him outside to investigate where the entire sky lit up green for several seconds and a very bright, white light was seen several hundred feet in the air, according to testimony in Case 82205 from the Mutual UFO Network (MUFON) witness reporting database.
The witness and his wife were in their bedroom after midnight on February 20, 2017, when the sound was first heard.
“We heard a low pitch, but still a very noticeable humming sound,” the witness stated. “The sound went on for about 10 minutes before we got up to see what was going on outside.”
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