Originally Posted by CyberSEO

I'm not a geek, but I've learned physics when I was a student. The dark matter is a theoretical substance which explains the gravitation anomalies in the University. When we see some gravitation effect, but we don't the an object which can cause it. It doesn't shine and it doesn't absorb the light, but something should be there. So the dark matter is just a way to explain some physical (gravitation) effects what we can see, but can't explain. If there was some matter which is unseen and has a mass 5x times more than all the physically seen objects in the University... it would explain everything. Let's call it a dark matter!