Big Crunch

The Big Crunch is an idea about what might happen to the universe. It is an idea that's related to the Big Bang, which is a theory about how the universe began. The Big Crunch suggests that, over time, all the galaxies and stars in the universe will move closer and closer together and eventually join together in one giant mass, then the entire universe will shrink down until it's all gone. Imagine taking all the stars in the sky and being able to squish them down until they fit into a tiny box. That's kind of what the Big Crunch is like.