“Where you used to be, there is a hole in the world, which I find myself constantly walking around in the daytime, and falling in at night. I miss you like hell.” –Edna St. Vincent Millay It was just a little while ago that we were all speculating wildly — and optimistically — about Comet … Read moreThe Largest Trainwrecks in the Universe
“According to the special theory of relativity nothing can travel faster than light, so that if light cannot escape, nothing else can either. The result would be a black hole: a region of space-time from which it is not possible to escape to infinity.” –Stephen Hawking You may have encountered objects that are the same … Read moreHow can we see black holes?
“A colour is a physical object as soon as we consider its dependence, for instance, upon its luminous source, upon other colours, upon temperatures, upon spaces, and so forth.” –Ernst Mach Our Sun, like all Sun-like stars, will come to the end of its life someday. All the hydrogen fuel in its core will eventually … Read moreAt the end of their lives, stars glow hotter than ever!