The Mice: Selected Frames

Embargoed until April 30, 1:00 pm EDT

Images from a computer simulation of The Mice, a pair of interacting galaxies. The time interval between frames is roughly 100 Million years.

300 Million years ago. Two pinwheel galaxies fall together.

200 Million years ago. Draw closer...

100 Million years ago. Immediate aftermath of first collision.

Present time. At this point, the computer model matches the observations.

100 Million years from now.

200 Million years from now.

300 Million years from now.

400 Million years from now. The two galaxies merge.

500 Million years from now.

Joshua E. Barnes (

Last modified: April 29, 2002