More ideas from Doug
Eye of Aquarius: The Helix nebula resides in the constellation Aquarius about 700 light-years away. It's quite large - its main ring is 2 light-years across, although its material spreads out to 4 light-years. The star at its center is evolving to become a white dwarf. This image shows the nebula in the infrared light spectrum, which is invisible to the eye and more toward heat radiation.

A dying star throws a cosmic tantrum in this combined image from Nasa's Spitzer Space Telescope and the Galaxy Evolution Explorer. The star's dusty outer layers are unraveling into space, glowing from the intense ultraviolet radiation being pumped out by

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macos-keyboard-symbols

These Secret iPhone Codes Will Unlock Hidden Features

These Secret iPhone Codes Will Unlock Hidden Features