by Salman Hameed
Thinking about the size of the universe is not exactly intuitive. One of the reasons is that while the universe has a finite time (at least for this universe), the space can be infinite. This leads to the confusion between how far we can see (the observable universe) versus the whole universe. This short video, I think, provides one of the clearest examples of what we know about the size of the universe (tip from 3quarksdaily). Enjoy!
Thinking about the size of the universe is not exactly intuitive. One of the reasons is that while the universe has a finite time (at least for this universe), the space can be infinite. This leads to the confusion between how far we can see (the observable universe) versus the whole universe. This short video, I think, provides one of the clearest examples of what we know about the size of the universe (tip from 3quarksdaily). Enjoy!
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