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We had so much time to act.
"Meeting an advanced civilization could be like Native Americans encountering Columbus," he said.
If there are any, aliens should be less conspicuous and charismatic-looking than most people think.
In 1976, Carl Sagan went on the Tonight Show with Johnny Carson along with a strange contraption, that looked like a tinfoil square. In all likelihood it was probably tin foil, since it was only a model for what Sagan termed as a solar sail - a simple, but effective spacecraft that harnesses the solar winds to generate power, much like a sail uses the wind to move a ship here on Earth. On May 20th, a tiny satellite the size of a loaf of bread will be blasted into Earth's orbit from an Atlas V rocket that will test Sagan's design.
Do you remember Carl Sagan’s Voyager Golden Records? When the now iconic first Voyager spacecraft launched in 1977, a series of phonograph records containing 116 sounds and images selected to portray the diversity of life and culture on Earth were also attached onboard. These were inserted with the idea in mind that some alien race […]
