Is universe finite or infinite? It has been stipulated that Big Bang took place about 14.7 billion years ago. After that the universe has been expanding.
To call something as finite or infinite, let us think about what is that thing. Here we are discussing about the universe. Is space a part of it? Space is a part of universe when it is included as the distance between two stars or bodies. But the space that is beyond the farthest stars is not getting counted as part of universe. I see no reason about why that space should not be called a part of the universe. That space becomes a part of the universe as soon as a star reaches it, but not before that. Do we mean to say that the star created that space and the space was not present earlier to that?
When the universe was supposed to be a single point at the time of Big Bang what about the space around that? Was that not part of the universe? Or that became a part after the bang happened? This is a perplexing problem. Logically one should consider space to be part of the universe. Considering this we should say that the universe is infinite. What is finite is the distance of stars at any point. But the space beyond that goes on and on . When somebody proves that the space is also finite and is enclosed, the next question would be - how about what lies beyond that space?
There is nothing definite in science. If some new findings are made one may even revise the idea of the Big bang. The cosmos is a wonder beyond human comprehension.
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