Astronomy Cast

Ep. 295: The Observable Universe


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We understand our place in the Universe because of our direct observations. We can see the light that traveled billions of light years across space to reach us. This sphere of space is the observable universe; everything we can detect. But it’s really just a fraction of the larger, unobservable universe. Today, we’ll talk about both.
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Astronomy CastBy Fraser Cain and Dr. Pamela Gay