Scientists believe that when two super-massive objects like black holes get close to each other, they oscillate around each other and create ripples in the fabric of space-time called gravitational waves. They are currently working on a way to detect these waves. www.its.caltech.edu
Posted in Gravitation
There are many misconceptions about the big bang theory. Most come from the name itself. The entire universe used to be compressed in a smaller space, however it was not at one point. This video clarifies that and a few other misconceptions regarding the Big Bang Theory.
Posted in Big Bang