Before its demise, Cassini spotted the first summer rains on Saturn's moon Titan, according to newly published research. Because of the world's smaller gravity, the methane rain there would fall slow, like snowflakes on Earth.

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Before its demise, Cassini spotted the first summer rains on Saturn's moon Titan, according to newly published research. Because of the world's smaller gravity, the methane rain there would fall slow, like snowflakes on Earth.