Carl Sagan

Notes

Carl Sagan (1934–1996), American astronomer and the best science communicator of his century. Cosmos and The Demon-Haunted World shaped more sceptics than any philosophy course, and "extraordinary claims require extraordinary evidence" is his.

Wikipedia: https://en.wikipedia.org/wiki/Carl_Sagan

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UFOs and UAP

What would change my mind. A piece of material whose isotope ratios are not of this solar system, examined by independent laboratories. A photograph with a reference object in frame. A radar track corroborated by two independent sensors an…

Humanism

The company. The label has been worn by Bertrand Russell, Carl Sagan, Kurt Vonnegut, who was honorary president of the American Humanist Association and said at Isaac Asimov's memorial that "Isaac is up in heaven now", which brought the ho…

Spirituality

The feeling without the furniture. Carl Sagan wrote that science is not only compatible with spirituality but a profound source of it, and Albert Einstein spoke of a "cosmic religious feeling" that had no personal god in it. I accept the f…

The Demon-Haunted World

Carl Sagan (1995)

Carl Sagan

Carl Sagan

Carl Sagan

"Extraordinary claims require extraordinary evidence." - Carl Sagan