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History - Big History

The creation of new chemical elements

The supernova Kes75 image from Wikimedia Commons
"213034main kes 75 226" by Credit: NASA/CXC/M. Gonzalez/F. Gavriil/P. Slane. - Goddard Space Flight Center Yesterday's Vision, Tomorrow's Reality. Licensed under Public domain via Wikimedia Commons.

Threshold 3 looks at the creation of new chemical elements, other than Hydrogen and Helium, in stars.

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The Periodic Table? 

Try searching for chemical elements or periodic table. You could also search for Mendeleev, the man who developed the periodic table.

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