.On Nov 16, 1974, people delivered their initial message to the stars in an attempt to speak to e.t.s. They did this using what was after that the largest broadcast telescope around the world, positioned at the Arecibo Observatory in Puerto Rico. A group of scientists led by Frank Drake as well as Carl Sagan delivered their message to the M13 galaxy.
The information was written in binary code and had info about individual DNA. It likewise included amounts of an individual, the solar system as well as the Arecibo telescope. The tip was actually that if any type of aliens were actually to get the sign and also identify how to decode it, they would recognize where it came from.
Given that M13 is 25,000 light-years away, it will certainly take 25,000 years for any sort of M13 aliens to hear our notification– if they are actually even out certainly there. The Arecibo information is just one of many notifications meant for e.t.s. Our team have actually also featured messages on many space capsule, like Leader as well as Voyager.