Carl Sagan - Wikiwand

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Last updated 02 janeiro 2025

Carl Edward Sagan was an American astronomer and science communicator. His best known scientific contribution is his research on the possibility of extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. He assembled the first physical messages sent into space, the Pioneer plaque and the Voyager Golden Record, which were universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. He argued in favor of the hypothesis, which has since been accepted, that the high surface temperatures of Venus are the result of the greenhouse effect.

The Interpretation of Cakes (2023), by Allan Tegg

Stellar classification - Wikiwand Astronomy, Space and astronomy, Earth and space science

From Wikiwand: Galileo showed the Doge of Venice how to use the telescope (Fresco by Giuseppe Bertini)

Casual Space

A 220 Trimline rotary desk phone, showing the innovative rotary dial with moving fingerstop

Big River Man (2009) - An endurance swimmer from Slovenia attempts to be the first man to swim the length of the River. It is the winner of the Sundance Film