Friday, May 28, 2010

Zazzle mousepad from Helix Nebula Logo

Zazzle mousepad from Helix Nebula

Dust makes this cosmic eye look red. This eerie Spitzer Space Telescope image shows infrared radiation from the well-studied Helix Nebula (NGC 7293), which is a mere 700 light-years away in the constellation Aquarius. The two light-year diameter shroud of dust and gas around a central white dwarf has long been considered an excellent example of a planetary nebula, representing the final stages in the evolution of a sun-like star. Image credit: NASA, JPL-Caltech, Kate Su (Steward Obs, U. Arizona) et al.

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