Cassini Hunting Enceladus 'Tigers' with Night Vision

NASA's Cassini spacecraft will be hunting for heat signatures at the "tiger stripes" in the dim south polar region of Saturn's moon Enceladus on Friday, Aug. 13. The closest approach will bring the spacecraft to within about 2,500 kilometers (1,600 miles) of the surface of Enceladus.

The tiger stripes -- which are actually giant fissures that spew jets of water vapor and organic particles hundreds of kilometers, or miles, out into space - are hard to see in the visible-light spectrum because [...]

Full story at http://spacefellowship.com/news/art21738/cassini-hunting-enceladus-tigers-with-night-vision.html