Looking out with our telescopes, we see a sky filled with stars, planets, galaxies, dust, gas, black holes, and much more. But the universe didn’t always look like this. Shortly after the Big Bang, almost 14 billion years ago, the universe had no structures of any kind. Instead, it was a dense, hot, uniform bath of energy filling all space. So where did all this beautiful variety in the cosmos come from? In this talk we’ll explore the history of the formation of particles, nuclei, atoms, and eventually the galaxies and solar systems that fill the universe today. We’ll also talk about how new technology is uncovering aspects of this story that we’ve never been able to understand before.
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