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Saturn was already the solar system's undisputed lord of the rings. Now newly processed images from the Cassini spacecraft are revealing previously unseen halos of infrared auroral light above the planet's poles.

This stunning portrait of the sun spread like hot plasma all over the internet yesterday. Wired.com spoke with artist and astrophotographer Alan Friedman to find out how he made it. Friedman shoots the sky from his backyard in downtown Buffalo, New York. That means the usual celestial candidates - galaxies, nebulae, distant star clusters - are washed out by the glow of the city. But the sun is fair game, as long as the sky is clear and turbulence-free.