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We are made by stars, not of stars?? the reality is a bit more violent—and maybe a little grosser—than you think.

Professor Hannah Fry and science creator Michael Stevens (aka Vsauce) dive deep into the cosmic subject - We are "made by stars, not of stars." They debate the common saying is that we are "star stuff," and the truth maybe a little grosser than you think. They explain how the universe forged atoms, smashing them together in the cores of dying stars and other processes that let to the creation of life. 🚀

What you’ll learn in this video:

The Stellar Forge: Most of our elements were created by stars smashing nuclei together in their cores before exploding and allowing that "debris" to coalesce into planets and people. 🌟

The "Knockdown Point": Elements like Boron and Beryllium aren't actually made inside stars! 🚫

Cosmic Ray Spallation: Discover how these specific elements are formed when high-energy cosmic rays smash into atoms and cause them to explode. 💥

The Human Body’s Cosmic Signature: Your body contains about 35 micrograms of beryllium, and you consume boron every day in your drinking water. 💧

Space is Violent: Far from being a quiet void, space is filled with dying stars, smashing black holes, and colliding galaxies that throw debris everywhere. ☄️

Are We Star Puke?: A term for the lumps of matter and cosmic rays that "ralphed" us into existence like a cosmic hairball. 🤮

Evolution from the Skies: Since cosmic rays are ionizing, they can affect our DNA, meaning a helpful mutation from a star might have shaped human history. 🧬

If you enjoyed this deep dive into our "pukey" celestial history, make sure to hit the Like button and Subscribe for more cosmic truths! 🔔

See their original conversation:
   • The Invisible Forces Shaping Your Life  

Join the hosts of "The Rest Is Science" as they dive into scientific questions that often go unexplored!
   / @therestisscience  



#vsauce #HannahFry #STEM #Science #CosmicRays #Astronomy #Evolution #StarPuke #ScienceFacts #Physics