Carl Sagan (1934 - 1996)
Science & Exploration

9 November

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ESA / Science & Exploration / Space Science

1934: On 9 November 1934, American astronomer Carl Sagan was born.

Sagan contributed to the discovery that the atmosphere of Venus is prohibitively hot and dense, and found evidence that Saturn's moon Titan contains oceans stocked with the building blocks of life.

He was an outspoken proponent of the search for extra-terrestrial life, including sending probes to other planets and listening with large radio telescopes for signals from intelligent aliens.

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