The left galaxy is the Milky way, the right one the Andromeda galaxy. This is what will happen within 4 to 5 billion years, our planets will be gone by then
Replay speed: ~2.7 million years/second
Total time: 115 million years
Render time: ~2 hours
Total Frames: 916
Bitrate (Original): 120Mbps (Youtube doesn't support this, obviously)
Software used: Universe Sandbox