Question

What is a universe? What is it made up of?

Answer 1

our universe was the outcome of the big bang which came about 1.5 bilion years ago leading to the distribution of the whole mass into pieces which we now call as our stars. after the big bang there were two types of things matter and antimatter and this is what our universe is made up of we can see matter but not antimatter it is believed that antimatter has been annihilated with matter but some theory suggest that it is possible that antimatter still exists in some form not visible to us

Answer 2

universe is contained lot of stars and planet and astriod and smallest particles etc.all universe come from one single form of big nebula galaxy .our galaxy contains more than 100billion stars!