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Quote by Carl Sagan

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Conversations with Carl Sagan

Conversations with Carl Sagan is a compilation of interviews and dialogues with the celebrated scientist, Carl Sagan. The book delves into a variety of topics, including Sagan's research in astronomy, his exploration of the cosmos, and his perspectives on science, philosophy, and the future of humanity. It provides a glimpse into Sagan's intellectual journey and his passion for sharing knowledge with the public. more

Author

Carl Sagan
Carl Sagan

Carl Sagan was an American astronomer, cosmologist, author, and science communicator, born on November 9, 1934, in Brooklyn, New York. He is renowned for his profound research into the cosmos and his dedication to popularizing science. Sagan proposed numerous theories about the origin of the universe and life, and he made complex scientific knowledge accessible to the public with his unique perspective and clear, engaging writing style. more

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“Were the succession of stars endless, then the background of the sky would present us an uniform luminosity, like that displayed by the Galaxy-since there could be absolutely no point, in all that background, at which would not exist a star. The only mode, therefore, in which, under such a state of affairs, we could comprehend the voids which our telescopes find in innumerable directions, would be by supposing the distance of the invisible background so immense that no ray from it has yet been able to reach us at all.”

“I fancy you give me credit for being a more systematic sort of cove than I really am in the matter of limits of significance. What would actually happen would be that I should make out Pt (normal) and say to myself that would be about 50:1; pretty good but as it may not be normal we'd best not be too certain, or 100:1; even allowing that it may not be normal it seems good enough and whether one would be content with that or would require further work would depend on the importance of the conclusion and the difficulty of obtaining suitable experience.”

“The chief instrument of American statistics is the census, which should accomplish a two-fold object. It should serve the country by making a full and accurate exhibit of the elements of national life and strength, and it should serve the science of statistics by so exhibiting general results that they may be compared with similar data obtained by other nations.”