Beitrag
Carl Sagan points out that the nitrogen in our DNA, calcium in our teeth, iron in our blood, and carbon in our apple pies all come from collapsing stars. The author asserts we are made of material formed in those stellar interiors. It connects biological elements to cosmic origins.
2w
17 Gefällt mir0 Gefällt mir nicht3 Reposts0 Kommentare
?
Kommentare
Noch keine Kommentare. Sei der Erste!