Four Years Later...

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Credit: NASA/JPL/Space Science Institute

Here's something I can't believe I missed: a gorgeous mosaic image of Saturn as it appears four years into Cassini's mission and approaching equinox. Several moons are visible, most obviously the massive, orange-brown Titan in the lower left of the image.

Just to highlight how much Saturn changes over its orbit (and we've seen only four years of a thirty year circuit around the sun), here's a similar image from soon after Cassini arrived at the ringed planet:

Image source with larger version
Credit: NASA/JPL/Space Science Institute