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Posts Tagged ‘doppelgangers’

A recent NASA Astronomy Picture of the Day featured an excellent version of the Periodic Table highlighting not just elements, but also those elements’ origins.

The hydrogen in your body, present in every molecule of water, came from the Big Bang. There are no other appreciable sources of hydrogen in the universe. The carbon in your body was made by nuclear fusion in the interior of stars, as was the oxygen. Much of the iron in your body was made during supernovas of stars that occurred long ago and far away. The gold in your jewelry was likely made from neutron stars during collisions that may have been visible as short-duration gamma-ray bursts or gravitational wave events…

— Astronomy Picture of the Day
Origin of the Elements in the Solar System by Jennifer Johnson is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

And the fact that the author and I share a name? An astronomical coincidence.

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Photo by Franco Antonio Giovanella on Unsplash

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