PHD Comics: Gravitational Waves Explained Simple explanation but really interesting for further understanding on gravitational waves. "That's one small step for man, one giant leap for mankind" Neil Armstrong quote Mehr
"A STAR'S BIRTH AND DEATH --- In this graphic discover what takes for a star to be born. By Jason Treat and Alexander Stegmaier. Published on March --- And without star's & their death, humans would not exist!