Big Bang
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What is the Cosmological Principle?
What if I were to ask you: Are there any unique places in the universe? That is, does any one location in the universe have a special vantage point? Does the universe look different from different locations? You might say…
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The Universe’s First Moments
Imagine a time before galaxies existed, before the first stars had been born, before the most basic building blocks of matter — atoms — had formed. This was mere moments after the Big Bang. No one understands how matter and…
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What was the Big Bang?
Have you heard of the Big Bang? I still remember the first time I heard about it. I was little; I can’t remember if I’d fallen in love with astronomy yet. But I do remember sitting in my living room,…
