Daily Archives: May 14, 2013

Galaxy Collisions: Simulation vs Observations

“What happens when two galaxies collide? Although it may take over a billion years, such titanic clashes are quite common. Since galaxies are mostly empty space, no internal stars are likely to themselves collide. Rather the gravitation of each galaxy will distort or destroy the … Continue reading

Posted in Science | Tagged , , , , , , , , , , | Leave a comment