We are always interested about space. We have a lot of questions about space. Even, in our holy books and  myth space is described. But, still know one knows about the size and shape of the space. And, it is still a secret for all of us.
As, per our advance  technology, we can only predict that in space there would be crores of universe and number of stars and planets are uncountable. But, we are unable to find out exact figure.