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(visit the link for the full news article)
Toronto, Canada - early May 2010 - little too good to be true, so it's probably CGI??
Description link: www.latest-ufo-sightings.net...
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source: wHknPcvUkqM + zoom and other effects by me
When an object passes through the air, it creates a series of pressure waves in front of it and behind it, similar to the bow and stern waves created by a boat. These waves travel at the speed of sound, and as the speed of the object increases, the waves are forced together, or compressed, because they cannot "get out of the way" of each other, eventually merging into a single shock wave at the speed of sound.