18K views · 258 reactions | The Andromeda-Milky Way Collision | Physics Astronomy | Facebook

The Milky Way and Andromeda are moving toward each other — and there’s about a 50/50 chance they’ll collide within the next 10 billion years. Yes, even though the universe is expanding. Galaxy mergers take billions of years, so what would it actually look like? From the outside, gravity would stretch and warp both galaxies, flinging stars into long tidal tails before they eventually merge into one big, blobby elliptical galaxy. But from Earth? That’s where it gets wild. Right now, Andromeda is a

Milky Way Andromeda collision. | Science & Astronomy