August 23, 2014
Today’s headlines Archives
The fresh vapor trail or “contrail” of a streaking airliner creates a linear contrast to older, more diffused trails of similar jets that have already passed over Mount St. Helens in this 1994 photo.
July 10, 2004 in Nation/World on Page A2
HAMPTON, Va. — Next time you’re on a plane, think of this: The plane’s exhaust might be adding just enough moisture to the atmosphere to create a cloud and keep …
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