Those interested in Dark Matter should find the following Dark Matter computer simulation of a Dwarf Galaxy interesting:
The simulated dwarf from Science News on Vimeo.
You can read about it in the Science News article I came across today: here.
DARK MATTER has yet to be proven, and the competing theory of MOND/TeVeS in which Newton's equations (particularly F=ma) are modified and "Dark Matter" "particles" are unnecessary, has yet to be falsified, yet it gets little to no attention, in comparison.
Mordehai Milgrom is THE guy in MOND. Here is his picture:
Read all about Mordehai Milgrom and the MOND/TeVeS vs Dark Matter controversy: here.