Image of a Very Distant Future: Milky Way Collides with Andromeda Galaxy

This Nasa illustration shows at night just before the predicted merger between our Milky Way galaxy and the neighbouring Andromeda galaxy, which is expected to happen about 3.75 billion years from now

Picture: REUTERS/NASA, ESA, Z. Levay and R. van der Marel (STScI), and A. Mellinger