How large is the universe? This Week in Astronomy with Dave Eicher

Just how large is the universe? The short answer is 93 billion light-years — at least. That 93 billion light-year number refers to what astronomers call the observable universe, and it extends about 46.5 billion light-years in every direction from us. Now that might seem paradoxical — the universe is only 13.8 billion years old.Continue reading “How large is the universe? This Week in Astronomy with Dave Eicher”
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