Dust from comets that survived the death of their star is clouding the "eye" of the distant Helix nebula, as revealed by an image released by NASA's Spitzer Space Telescope on February 12.
from here
Helix Nebula
Dust from comets that survived the death of their star is clouding the "eye" of the distant Helix nebula, as revealed by an image released by NASA's Spitzer Space Telescope on February 12.
from here
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