Comet Siding Spring appears to streak across the sky like a superhero in this new infrared image from NASA Wide-field Infrared Survey Explorer. The comet, also known as C/2007 Q3, was discovered in 2007 by observers in Australia.

Is it a bird, or a plane? No, it comet Siding Spring streaking across the sky, as seen by NASA Wide-field Infrared Survey Explorer, or WISE. An animation is available at the Photojournal.