![Black background. At image center is a colorful ring of gas and dust. The ring is a deep red along the outside. Moving inward toward the center of the ring, the colors change from red, to orange, to yellow, to pinkish-white, to a light blue sphere in the center.](https://science.nasa.gov/wp-content/uploads/2023/04/hubble-nebula-helix-nebula-display-1-jpg.webp?w=4096&format=png)
Hubble Helix Nebula (NGC 7293)
The Helix Nebula is an example of a planetary nebula. Though it looks like a bubble or eye from Earth’s point of view, the Helix is actually a trillion-mile-long tunnel of glowing gases. In its center lies a white dwarf star.
Credits: NASA, NOAO, ESA, the Hubble Helix Nebula Team, M. Meixner (STScI), and T.A. Rector (NRAO)
Image CreditNASA, NOAO, ESA, the Hubble Helix Nebula Team, M. Meixner (STScI), and T.A. Rector (NRAO)
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