Theory is what we think, not what we know.<quoted text>In science, the word "Theory," when capitalized, is used to describe the best explanation for a very large body of evidence. No Theories are devised unless that evidence demands explanation. To find out what evidence any Theory explains, it's better to go to a site that is focused on the branch of science in question. To demand that non-scientists supply it is both unreasonable and clueless. Here are the top-ranked astrophysics departments in the U.S.. You could begin by looking at their web pages.
#1 Princeton University, Princeton, NJ
#2 California Institute of Technology, Pasadena, CA
#3 University of Chicago, Chicago, IL
#4 Harvard University, Cambridge, MA
#5 Stanford University, Stanford, CA
#6 University of California​Berkeley , Berkeley, CA
#7 Massachusetts Institute of Technology, Cambridge, MA
#8 University of California​Santa Barbara, Santa Barbara, CA
#9 University of Texas​Austin, Austin, TX
#10 Johns Hopkins University (Rowland), Baltimore, MD
Theory is not fact my friend.