NASA · Space

Origin of Elements in the Universe

An explanation accompanying the Astronomy Picture of the Day (APOD) details the cosmic origins of elements found in the human body and everyday materials.

Hydrogen, essential for water and life, originated solely from the Big Bang. Elements like carbon and oxygen were forged through nuclear fusion within stars.

Much of the iron in our bodies was created during ancient stellar supernovas. Gold, found in jewelry, likely resulted from neutron star collisions, potentially observed as gamma-ray bursts or gravitational wave events.

While present in smaller quantities, elements such as phosphorus and copper are vital for all known life. A color-coded periodic table illustrates the current scientific understanding of the nuclear origins of elements.

The precise origins of some elements, including copper, remain subjects of ongoing observational and computational research.

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