NASA has delayed its planned launch of five rockets aimed at learning more about the jet stream's current at the edge of space.
NASA initially said it would send up five rockets in five minutes from coastal Virginia early Thursday. But it subsequently announced Wednesday the launch was scrubbed due to a payload problem. The next attempt will be no earlier than Friday night.
The rockets are to release a chemical trail to track winds circling Earth at up to 300 mph, about 65 miles above the surface.
Officials had said long, milky white clouds could be visible for about 20 minutes from Myrtle Beach, S.C., to southern New Hampshire, and as far west as Morgantown, W.Va. _ weather permitting. That area includes Washington, Baltimore, Philadelphia, New York and Boston.
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