We Are Dead Stars

NASA astronomer Michelle Thaller explains how the iron in our blood was forged in exploding stars, and what the universe may look like when the stars burn out.

A short, beautifully animated reminder that we are literally made of stardust.

Every atom in our bodies was processed in the body of an ancient star, says NASA astronomer Dr. Michelle Thaller. Thaller explains how the iron in our blood connects us to one of the most violent acts in the universe—a s

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