Space
CS
The Helix Nebula is Hurling Clumps of Gas through Space
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Sky & Telescope
This composite image of the Helix Nebula combines data from MOTHRA, the Hubble Space Telescope, and the Kitt Peak 4-meter telescope. The shocked gas emits ultraviolet light as it cools down, and GALEX imaged some of these bow shocks before the space telescope was retired more than a decade ago. This image of the Helix Nebula combines data from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX).