Scientists have finally solved the mystery of a milky rain that coated cars and raised eyebrows across a wide swath of the Pacific Northwest this February, researchers said on Tuesday.
A multidisciplinary Washington State University team said they had determined that dust from the dry bed of a shallow lake some 480 miles (772 km) from where the rain fell was to blame for the unusual precipitation.
The rain left a trail of powdery residue across a nearly 200-mile (322-km) stretch of eastern parts of Oregon and Washington state earlier this year, leaving scientists and residents perplexed about its origins.
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