Carl Edward Sagan ( November 9, 1934 – December 20, 1996) was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator...
Carl Sagan Development
Carl Sagan Learning
Extraordinary claims require extraordinary evidence. Carl Sagan
Extraordinary claims require extraordinary evidence.
Somewhere, something incredible is waiting to be known Carl Sagan
Somewhere, something incredible is waiting to be known
If you wish to make an apple pie from scratch, you must first invent the universe. Carl Sagan
If you wish to make an apple pie from scratch, you must first invent the universe.
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 starstuff. Carl Sagan
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 starstuff.
Science is not only compatible with spirituality; it is a profound source of spirituality. Carl Sagan
Science is not only compatible with spirituality; it is a profound source of spirituality.
we make our world significant by the courage of our questions and the depth of our answers. Carl Sagan
we make our world significant by the courage of our questions and the depth of our answers.
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous. Carl Sagan
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves. Carl Sagan
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out. Carl Sagan
Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out.
It pays to keep an open mind, but not so open your brains fall out. Carl Sagan
It pays to keep an open mind, but not so open your brains fall out.
The universe is a pretty big place. If it's just us, seems like an awful waste of space. Carl Sagan
The universe is a pretty big place. If it's just us, seems like an awful waste of space.
Books break the shackles of time, proof that humans can work magic. Carl Sagan
Books break the shackles of time, proof that humans can work magic.
