5 sept. 1951 - Aug/Sept 1951 Lubbock Lights Professor "observed one formation of lights flying above a thin cloud at about 2,000 feet which he says allowed them to calculate that the lights were traveling at over 600 miles per hour"
Description:
https://en.wikipedia.org/wiki/Lubbock_LightsAjouté au bande de temps:
Date:
5 sept. 1951
Maintenaint
~ Il y a 74 ans