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Originally posted by Zeta_101
reply to post by sgreco
How exactly does this explain ALL of the sightings all over the world? It would definitely explain some. But ALL? That's ridiculous. It'd have to be in many places at once, throughout many years, and would have to remain the same consistently over generations.
American sighting claims
A series of unusual sonic booms was detected in Southern California, beginning in mid- to late-1991 and recorded by U.S. Geological Survey sensors across Southern California used to pinpoint earthquake epicenters. The sonic booms were characteristic of a smaller vehicle rather than the 37-meter long Space Shuttle orbiter. Furthermore, neither the Shuttle nor NASA's single SR-71B was operating on the days the booms had been registered. In the article, "In Plane Sight?" which appeared in the Washington City Paper on 3 July 1992 (pp. 12–13), one of the seismologists, Jim Mori, noted: "We can't tell anything about the vehicle. They seem stronger than other sonic booms that we record once in a while. They've all come on Thursday mornings about the same time, between 4 and 7.