Okay kiddo, so do you know what a cluster is? No, not a banana cluster, a bunch of stars!
Well, there is this really big cluster of stars called the Coma Cluster. It's so big that it has over 1,000 galaxies in it! That's a lot of stars!
But the Coma Cluster isn't just any old cluster, it's actually one of the biggest clusters in the whole universe! And because it's so big, it has a really strong force of gravity that pulls all the galaxies together.
Now, when all these galaxies are pulled together, they start to spin around each other... kind of like when you spin around in circles with your friends. Only, instead of getting dizzy, the galaxies start to make a really cool shape!
It's called a supercluster, and it's basically like a big web of galaxies all strung together. Scientists are really interested in studying the Coma Cluster and other superclusters because they can tell us a lot about how the universe formed and how it's still changing today.
So, the Coma Cluster is just a really big group of stars, but it's also a supercluster that can teach us about the history and future of the universe. Cool, huh?