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Cassini spots monstrous ice cloud on Saturn's moon Titan

Cassini spots monstrous ice cloud on Saturn's moon Titan

 Cassini had already imaged an impressive cloud hovering over Titan’s south pole at an altitude of about 186 miles.

Refrigerator coolants contribute to ozone depletion: NASA

Refrigerator coolants contribute to ozone depletion: NASA

The researchers estimated that the common chemical coolants known as hydrofluorocarbons (HFCs) will cause a 0.035 percent decrease in ozone by 2050.

Better way to forecast winter weather a month in advance

The researchers examined 30 years' worth of past forecast data to see how the state of the stratosphere affected the accuracy of the forecast.