A new computer model suggests that the formation of the first stars depended crucially on the nature of dark matter. Intriguingly, the model also suggests that some of the very first stars that ever formed can still be found in the Milky Way galaxy today. The simulations of the formation of these early stars factored […]
Tag Archives | collisions
Smash-Up Derby A Universal Pastime
Galactic collisions are common phenomena, according to Yale astronomer, Pieter van Dokkum, who used hundreds of images from two of the deepest sky surveys ever conducted to conclude that more than half of the largest galaxies in the nearby universe have collided and merged with another galaxy in the past two billion years. Cosmologists believe […]