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Titan's building blocks may have originated in the cold disk of gas and dust swirling around the sun, not the warm disk that surrounded Saturn when the planet was young.

A bright patch (right, circled) on one of Titan’s northern methane seas, shown as dark areas, appeared in a Cassini spacecraft image taken on July 10, 2013. The patch disappeared by July 16, 2013 and was not visible in earlier images (left).

The Rosetta spacecraft is closing in on comet 67P/Churyumov–Gerasimenko and is slated to enter into orbit around the comet in August.

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