Oh, b--------r, that's me scuppered!
I haven't read all the posts, but the thread title:-
'Scientists actually do know everything about the universe.'
........ is quite unbelievable.
The trouble is that the astronomers, physicists, mathematicians and various other professors are mostly in polite professional contention, which does suggest strongly that we know s-- all about the Universe for certain.
But having said that, we sure have found out enough to interest and excite me.
When I went to school back in the 50's one of our books, geography I think it was (!) suggested that the solar system had once been a Sun with a long tentacle standing straight out from itself, and this had broken up into the planets. It had pictures showing how this 'probably' happened!
Yeah, the last 60+ years have been just so exciting in terms of scientific revelation.
But we will be discovering more and more for yonks, I reckon. Hence, the thread is colleywobblers wrong!