Dr. Carl Sagan (Nov. 9, 1934 — Dec. 20, 1996) was an accomplished and highly respected astronomer, cosmologist, astrophysicist, and astrobiologist However, his main contribution may have been to bring his scientific knowledge to the masses. Yes, Sagan was a scientist, but his communication style and expressive observations put him in the category of poet as well. He had a rare talent that enabled viewers of his television series Cosmos to see the universe with wonder and awe.
Quotes: “We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.” | “There is a wide, yawning black infinity. In every direction, the extension is endless; the sensation of depth is overwhelming. And the darkness is immortal. Where light exists, it is pure, blazing, fierce; but light exists almost nowhere, and the blackness itself is also pure and blazing and fierce.”
Sources: Wikipedia, BrainyQuote
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