An unexplained boom is a very loud noise similar to a sonic boom created by the supersonic flight of an aircraft. However, these booms are unexplained, because, for instance, no supersonic flight was scheduled at the time the boom was heard. A common explanation is that classified flights by military aircraft are responsible.
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Famous quotes containing the words unexplained and/or boom:
“You’re neither unnatural, nor abominable, nor mad; you’re as much a part of what people call nature as anyone else; only you’re unexplained as yet you’ve not got your niche in creation.”
—Radclyffe Hall (1883–1943)
“California is a place in which a boom mentality and a sense of Chekhovian loss meet in uneasy suspension; in which the mind is troubled by some buried but ineradicable suspicion that things had better work here, because here, beneath that immense bleached sky, is where we run out of continent.”
—Joan Didion (b. 1935)