Watch: At 1.5 billion pixels, the largest image ever taken of the Andromeda galaxy provides a detailed glimpse at...

Originally shared by National Geographic

Watch: At 1.5 billion pixels, the largest image ever taken of the Andromeda galaxy provides a detailed glimpse at the sheer scale of our nearest galactic neighbor.
https://www.youtube.com/watch?v=4VX6Nh6YLYk