Colliding Gas in the Helix Nebula
![](https://cdn.sci.esa.int/documents/34247/35306/1567219399867-i_screenimage_16009.gif)
Depicts: Helix Nebula, NGC 7293, IRAS 22267-2102
Copyright: Robert O'Dell, Kerry P. Handron (Rice University, Houston, Texas) and NASA
Each gaseous head is at least twice the size of our solar system; each tail stretches 100 billion miles, about 1,000 times the Earth's distance to the Sun.
Last Update: 1 September 2019