A Quick Look at Chandra Data Tests Theory of Everything

Astronomers have used NASA's Chandra X-ray Observatory to perform one of the first astrophysical tests of string theory. Nicknamed the “theory of everything,“ string theory is a set of models that tries to tie together all known forces, interactions, and particles. Despite existing for decades, string theory has rarely been tested in physical settings. Astronomers observed the Perseus galaxy cluster and a supermassive black hole at its center in X-rays to test string theory. Their results showed there w