Strings

Cosmic strings and our existence in the universe Astrophysics

Cosmic strings and our existence in the universe

The Big Bang was the beginning of this, our universe. Astrophysicists agree on that much at least. Whether it was or will be the only event of this type is a debate for philosophers. But there are still a few unresolved questions involving the Big Bang. The most important of these would probably be: why do we exist at all? Because after all the four fundamental forces finally developed after the Big Bang, matter and antimatter should always be formed in exactly the same amount. The evolution of the universe would thus be relatively boring: matter and antimatter would…