Posters Sur Le Theme Carl Sagan Redbubble
Below are additional selected citations in chronological order In 1875 Sir George Biddell Airy who was the Astronomer Royal received an award from the Lord Mayor of London who described the remarkable advances that Airy and other scientists had accomplished in expanding human knowledge of the universe In that grain of salt there are about 1016 sodium and chlorine atoms That is a 1 followed by 16 zeros, 10 million billion atoms If we wish to know a grain of salt we must know at least the three
