If the universe is 13.8 billion years old, how is the observable universe 46.5 billion light years across? 1.17K viewsJanuary 3, 2024 Question90.63K May 15, 2020 0 Comments If the universe is 13.8 billion years old, how is the observable universe 46.5 billion light years across? In: Physics 5 Answers ActiveNewestOldest Anonymous Posted May 15, 2020 0 Comments Light years is a measure of distance and not a measure of time. Hopefully I’m writing enough to warrant a post You are viewing 1 out of 5 answers, click here to view all answers. Register or Login
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