“The nitrogen in our DNA, the
calcium in our teeth, the iron
in our blood, the carbon in
our apple pies were made in
the interiors of collapsing
stars. We are made of star
stuff". Carl Sagan
Copyright © 2020 by Dennis Roscoe, Ph.D. Last Update was March 18, 2021
RoscoeSkies
Here is a free online presentation called
“Our Amazing Moon”
Click Here to watch