What Is the Great Attractor?

There is something out there that is the centre of gravity of the entire super cluster, of which the milky way is a small part. Maybe in about 500 million years, when the earth goes to the other side of the milkyway we may be able to see it. But ah, we won't be there. So there are various theories. The various theories exist. But since there is no direct observational evidence, we can only speculate as of to day. Ok, let's take one more question. There cannot be any session without u f osand and aliens. So please throw some on the 19 forty seven, rosewell, mexico, u fo crash conspiracy. Rose