More to explore:
Just outer space :-)
The "Dumbbell nebula," also known as Messier 27, pumps out infrared light in this image from NASA's Spitzer Space Telescope. The Dumbbell nebula is 1,360 light-years away in the Vulpecula constellation, and stretches across 4.5 light-years of space. That would more that fill the space between our sun and the nearest star
Dumbbell Nebula Infrared Space Laptop Sleeves from The Astronomy Gift Shop on Zazzle. This space image is also available on many other products. Image is from NASA - see product page for detailed image credit.