And the support for Big Bang style cosmic inflation (universe ballooning up from nothing in a trillionth of second) is sparse. (As opposed to the normal expanding universe we see that even old Steady State theory said existed.)
If cosmic inflation happened, everything real far away should be in its infancy, but we see sprial galaxies 13 billion years away.
Quasars are supposed to only be in the beginning of the universe in early times according to the Big Bang, and there are 2 of them within 800 million miles of us which should not even be possible. http://www.sdss.org/news/relea...
So we have old structures very far away well-developed with plenty of metal, which shouldn't happen.
We have "newer" structures nearby, which shouldn't happen.
Add to the fact there are no metal-free stars (Pop III) ever seen, it is difficult to see what aspect of Big Bang Theory holds true. Astronomy might be better off if it were discarded because a number of the popular conclusions double-down on bad science and result in wild goose chases (dark energy only need exist to support the Big Bang because only the Big Bang says expansion must be accelerating.)