This remarkable space wallpaper was created from pictures taken by different telescopes in space and on the ground. It shows the thousand-year-old remnant of the brilliant SN 1006 supernova, as seen in radio (red), X-ray (blue) and visible light (yellow). Image released Feb. 14, 2013.

Credit: NRAO/AUI/NSF/GBT/VLA/Dyer, Maddalena/Cornwell, ChandraX-rayObser.; NASA/CXC/Rutgers/G. Cassam-Chenaï, J. Hughes et al., 0.9-metre Curtis Schmidt OT; NOAO/AURA/NSF/CTIO/Middlebury College/F. Winkler, DigitizedSkySurvey.