“Really though, Doctor, tell me, who are you?”
We are tiny pieces of the Universe that have evolved to the point where we know that fact & also which physical processes gave rise to the elements that make us up.
Today’s APOD: a periodic table colour-coded by which astrophysical processes made the elements, from the Big Bang to nucleosynthesis, dying stars, cosmic rays, & colliding neutron stars. Work by jajohnson51@twitter.com.