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Throwback Thursday: An Atom in the Universe

“The atoms come into my brain, dance a dance, and then go out — there are always new atoms, but always doing the same dance, remembering what the dance was yesterday.” -Richard Feynman It took 13.8 billion years of cosmic evolution, billions of years of biological evolution and astronomical numbers of events unfolding exactly as they have to give rise to you and me. And yet, here we are, collections of tens of trillions of cells and some 10^28 atoms.
Ed Uthman Richard Feynman

So, you've learned that the Sun is going to explode...

"Through that last dark cloud is a dying star... And when it explodes, it will be reborn. You will bloom... and I will live." -The Fountain I want to start off by letting you all know that I, myself, do not have any children of my own. I have taught children, adolescents and adults for nearly a full generation now in varying capacities, and while each learner is different, there's one science fact that universally seems to shatter each and every one of them.
Tony Hallas Brian Smallwood Hana Druckmullerova Miloslav Druckmuller Ed Uthman Upice Observatory

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Ask Ethan: How many atoms do you share with King Tut? (Synopsis)

“The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.” -Carl Sagan Inside a typical human body, beneath the organs, cells and even molecules that define us, there are atoms: some 7 × 10^27 of them in each of us. Mostly oxygen, carbon, hydrogen and nitrogen (with less than 1% of everything else combined), this tremendous number leads to an intriguing possibility: that at any given moment in your life, some of those atoms were once inside...
Wikimedia Commons Ed Uthman Carl Sagan Connexions Web King Tut

Going Nuclear: How Stars Die | ScienceBlogs

"After all, the universe required ten billion years of evolution before life was even possible; the evolution of the stars and the evolving of new chemical elements in the nuclear furnaces of the stars were indispensable prerequisites for the generation of life." -John Polkinghorne
Jpl Caltechl Allen Demetris Nicolaides Jpl Caltechr Gehrz John Polkinghorne David Darling Caltechs Kulkarni

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