Search results

basically, it is mostly theories-all of which haven't quite been worked out completely yet.......and there are lots of them

lol-that's the big problem ;)

yep, you are right-I couldn't remember for sure ;)

no, it can't really, but they could, if it's is accurate, do lots of different tests to see if it is valid.......

using existing models on the formation of galaxy clusters to find out approximately how old the cluster, find out how far away it is (using redshift or something-not sure), and findin out how much time it took for the light from the cluster to reach earth, and add that to the age of the cluster ;)