astronomyblog: Nebula Helix by Spitzer This infrared image from NASA’s Spitzer Space Telescope shows
astronomyblog: Nebula Helix by Spitzer This infrared image from NASA’s Spitzer Space Telescope shows the Helix Nebula. The nebula, located about 700 light-years away in the constellation Aquarius, belongs to a class of objects called planetary nebulae. Image credit: NASA / Spitzer -- source link
Tumblr Blog : wonders-of-the-cosmos.tumblr.com