February 28, 2024
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8:53Now PlayingWhere is the center of the universe? Friend of show, Janna Levin, explains to us why we're using the wrong coordinates to locate the center. What do a balloon and the Big Bang have in common? What is T=0? All these questions and more are answered eloquently by Levin.
Is the universe infinite? Is there an edge to the universe? Perhaps the universe loops back on itself, and we're seeing reflections of ourselves from an earlier state.
What do the hot and cold spots in the Cosmic Microwave Background tell us about the shape of the universe? Is the process through which the universe got its spots similar to that of a leopard's?
How do we know what our Milky Way galaxy looks like if we've never seen it directly? Levin and Tyson discuss advanced mapping techniques and insights we've gleaned from looking at other galaxies to arrive at our current understanding.
What's going to happen when the Milky Way collides with the Andromeda Galaxy? Neil breaks the bad news that it isn't going to be as exciting as we think.
From an episode of Cosmic Queries, "Edge of the Universe"
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