.On November 16, 1974, humans delivered their first notification to the celebrities in a try to call extraterrestrials. They performed this using what was actually at that point the most extensive broadcast telescope around the world, positioned at the Arecibo Observatory in Puerto Rico. A team of experts led through Frank Drake and also Carl Sagan sent their information to the M13 galaxy.
The notification was recorded binary code and also included details regarding human DNA. It likewise included figures of an individual, the planetary system and the Arecibo telescope. The idea was actually that if any kind of aliens were to obtain the indicator and figure out just how to decode it, they would understand where it originated from.
Because M13 is actually 25,000 light-years away, it will certainly take 25,000 years for any kind of M13 aliens to hear our notification– if they are flatten certainly there. The Arecibo information is actually just one of many messages wanted for extraterrestrials. Our experts have likewise included notifications on numerous space probe, including Trailblazer and also Voyager.