Or the dwarf galaxies blew out their own gas through supernova explosions. Andromeda XXXV doesn ... or NASA's upcoming Roman Space Telescope could nail down the galaxy's distance, and therefore ...

It takes a long exposure with a good telescope to capture enough faint light from the galaxy to reveal its colors and the details of its spiral structure. Still, if you get to see the Andromeda ...

This is the largest photomosaic ever assembled from Hubble Space Telescope observations. It is a panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away.