The atoms in your body are ancient remnants from the hearts of stars

What is the universe made of? - Dennis Wildfogel · 4:05 · Video: TED-Ed · Watch at the source

In short: Dennis Wildfogel traces the history of the atoms that compose our world. By examining their origins from the Big Bang to the present, this lesson reveals how stellar cores forged the building blocks of everything we see today.

Most atoms surrounding us today have existed for billions of years. Their journey began during the Big Bang, but the majority were later created within the intense, gaseous environments of stellar cores.

This process transformed simple elements into the complex molecules that constitute our current reality. Understanding this cosmic cycle highlights how the matter in our immediate environment is deeply connected to the life and death of stars.

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