Carl Sagan – We are made of star-stuff.
“We are made of star-stuff.” – Carl Sagan. “우리는 별의 물질로 만들어졌다.” – 칼 세이건. Carl Sagan – “We Are Made of Star-Stuff” Carl Sagan (1934–1996) was an American astronomer, planetary scientist, and one of the greatest science communicators of the 20th century. He worked as a professor at Cornell University and played a vital … Read more