Carl Sagan - Wikiwand

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.

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

How old is Ernest Khalimov? - Quora

Pin by Flying Spaghetti Monster on Carl Sagan photos

The Andromeda galaxy - captured with an 11 inch telescope from the desert : r/space

Rare Earth hypothesis - Wikiwand

The Varieties of Scientific Experience - Wikiwand

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

Landscape Park, Assumption of Mary, Greater Poland Voivodeship, protected Area, New look, terms Of Service, Site map, wikiwand, Privacy policy, park

Hot Neptune - Wikiwand

How did ancient civilisations know what constellations were without telescopes? - Quora

Broca's Brain - Wikiwand

Carl Sagan - Wikipedia

Lockheed U-2, Wikiwand