What appeared to be a "pulser" contrail
Credit: STEVEN SANDE
What appeared to be a "pulser" contrail was photographed over Santa Fe, N.M., at 2:26 MDT on Aug. 16 within seconds of being created by an unknown aircraft. Steven Sande, a professional civil engineer and president of Raven Solutions, says the contrail's discrete puffs were formed by "a fast-moving...
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