It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
Andromeda Galaxy Spitzer. This infrared composite image from NASA's Spitzer Space Telescope shows the Andromeda galaxy neighbor to our Milky Way galaxy The image highlights the contrast between the galaxy's choppy waves of dust red and smooth sea of older stars blue Spiral galaxies tend to form new stars in their dusty clumpy arms
Page 2017 Free-images.com. All images are Public Domain