.On Nov 16, 1974, humans sent their first information to the stars in an effort to talk to e.t.s. They did this utilizing what was then the biggest broadcast telescope on earth, situated at the Arecibo Observatory in Puerto Rico. A group of researchers led by Frank Drake and Carl Sagan delivered their message to the M13 star cluster.
The information was actually written in binary code and consisted of relevant information concerning human DNA. It also featured bodies of a human, the solar system as well as the Arecibo telescope. The idea was actually that if any kind of aliens were actually to obtain the signal and also figure out exactly how to translate it, they will understand where it came from.
Since M13 is actually 25,000 light-years away, it is going to take 25,000 years for any kind of M13 invaders to hear our notification– if they are actually flatten there certainly. The Arecibo message is just one of several messages aimed for extraterrestrials. We have likewise consisted of messages on a number of spacecraft, like Pioneer and Voyager.