![]() ![]() When astrophysicists perform computer simulations of the formation of galaxies including dark matter, they find that if the dark matter particles are too boring then it doesn’t quite match up with reality. At this very moment you might be swimming in a vast sea of dark matter particles, and you wouldn’t even know it.īut this simplistic picture of dark matter has a few issues. ![]() It doesn’t interact with light, with ordinary matter, or even with itself. We only know of its existence through its subtle gravitational influence on galaxies and larger structures in the universe. The simplest models of dark matter are incredibly boring. Welcome to the strange and wonderful world of “dark stars.” A Dance of Dark Matter ![]() But in the early days of the cosmos there may have been pockets of dark matter with high enough density that they provided a source of heat for newly forming stars. Dark matter doesn’t really do much of anything in the present-day universe. ![]()
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