It's very hard to put together a theory that includes those, the fundamental forces of particle physics and gravity. The basic picture is that you can think of space as this malleable thing. If you have something that has mass, it creates a dent in space,. It sort of bends space around it. And so other things moving past will respond to that and fall into that dent. That's like how gravitational attraction works.
Stars. Black holes. THE GAWDANG UNIVERSE. Astrophysicist and cosmologist Katie Mack (@astrokatie) joins to tell us her most embarrassing moments as a cosmologist, to debunk some physicist myths and give the nuts + bolts of everything form particle physics to gravitational waves and existential mysteries. Walk away with cocktail party comprehension of everything from the itty-bitty quarks that make you to the neutron stars banging together across the cosmos. More than anything, get perspective about your life on this, our little pale blue dot.
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Theme song by Nick Thorburn