Dust and the Helix Nebula ~ Dust makes this cosmic eye look red. The eerie Spitzer Space Telescope i
Dust and the Helix Nebula ~ Dust makes this cosmic eye look red. The eerie Spitzer Space Telescope image shows infrared radiation from the well-studied Helix Nebula (NGC 7293) a mere 700 light-years away in the constellation Aquarius -- source link
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