Comet ISON: Still Alive

Comet C/2012 S1 (ISON) is looking good for its rendezvous with the Sun tomorrow! The picture above is a combination of three different views from space-based solar observatories taken at 16:45 UTC (11:45 EST) today. I'll explain, but the important thing to note is that ISON looks intact, despite earlier worries, and is poised to put on quite  a show. In the picture, the inner (orangish) circle is the disk of the Sun seen by the Solar Dynamics Observatory, observed in the far ultraviolet. It's t...