If the constellations had been named in the twentieth century, I suppose we would see bicycles and refrigerators in the sky.
Carl SaganThe reappearance of the crescent moon after the new moon; the return of the Sun after a total eclipse, the rising of the Sun in the morning after its troublesome absence at night were noted by people around the world; these phenomena spoke to our ancestors of the possibility of surviving death. Up there in the skies was also a metaphor of immortality.
Carl SaganThere are many hypotheses in science which are wrong. Thatโs perfectly all right: itโs the aperture to finding out whatโs right. Science is a self-correcting process.
Carl Sagan