Today marks the 90th anniversary of the birth of Carl Sagan. Sagan was a world-renowned astronomer, astrophysicist, and cosmologist who changed the way we think about the universe and our place in it. His life and work has had an immense impact on science and society.

Carl Sagan was born on November 9th, 1934 in Brooklyn, New York. He went on to pursue a Ph.D. at the University of Chicago and became a widely respected and admired scientist, author, and educator. He was the first person to popularize the notion of “pale blue dot”—the idea that our planet is just a tiny speck in the vastness of space. This inspiring image shaped our understanding of our place in the universe and our responsibility to take care of it. Sagan was also responsible for the Voyager Golden Record, which sent a message of humanity out into space, and he was the presenter of the cult-favorite TV series Cosmos.

Carl Sagan’s life and work have been an inspiration to many, and his legacy will live on for years to come. On this special anniversary of his birth, let us celebrate the life and accomplishments of a true titan of science.

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source: Phys.org