These two galaxies are colliding with each other resulting in the gas from the smaller galaxying being pulled away and into the larger Galaxy. This is what will happen with the Milky Way Galaxy and the Andromeda galaxy billions of years in the future. Nicknamed "The Mice" due to the long tails that stretch out from the galaxies
Soace Science
NASA
These two galaxies are colliding with each other resulting in the gas from the smaller galaxying being pulled away and into the larger Galaxy. This is what will happen with the Milky Way Galaxy and the Andromeda galaxy billions of years in the future. Nicknamed "The Mice" due to the long tails that stretch out from the galaxies
Soace Science
NASA