Physicists offer explanation for diverse galaxy rotations

Physicists offer explanation for diverse galaxy rotations 09/20/2017 03:13 PM EDT A University of California, Riverside-led team of physicists has found a simple and viable explanation for the diversity observed in galactic rotations. Hai-Bo Yu and colleagues report that diverse galactic-rotation curves, a graph of rotation speeds at different distances from the center, can be naturally explained if dark matter particles are assumed to strongly collide with one another in the inner halo, close to the galaxy's center--a process called dark matter self-nteraction. Full story at https://ucrtoday.ucr.edu/48870 Source University of California, Riverside This is an NSF News From the Field item.   Follow NSF:  This email was sent using GovDelivery Communications Cloud on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111