.On November 16, 1974, people sent their first notification to the celebrities in an attempt to contact e.t.s. They performed this using what was actually at that point the largest radio telescope on earth, situated at the Arecibo Observatory in Puerto Rico. A group of experts led by Frank Drake and also Carl Sagan delivered their information to the M13 galaxy.
The notification was actually recorded binary code and had relevant information regarding individual DNA. It also featured amounts of an individual, the solar system and the Arecibo telescope. The concept was that if any invaders were to get the signal and also figure out how to decipher it, they will understand where it stemmed from.
Given that M13 is actually 25,000 light-years away, it will certainly take 25,000 years for any type of M13 invaders to hear our message– if they are flatten there certainly. The Arecibo notification is actually a single of several notifications planned for e.t.s. Our team have likewise featured notifications on numerous space probe, including Trailblazer and Voyager.