.On Nov 16, 1974, humans sent their first message to the celebrities in a try to call extraterrestrials. They performed this using what was at that point the largest radio telescope in the world, found at the Arecibo Observatory in Puerto Rico. A team of scientists led through Frank Drake as well as Carl Sagan sent their notification to the M13 galaxy.
The notification was actually recorded binary code and also contained details regarding human DNA. It additionally featured numbers of a human, the solar system and the Arecibo telescope. The suggestion was that if any sort of aliens were actually to obtain the signal as well as figure out how to decode it, they would recognize where it originated from.
Due to the fact that M13 is actually 25,000 light-years away, it will take 25,000 years for any M13 aliens to hear our notification– if they are even out there. The Arecibo notification is only one of several information wanted for e.t.s. Our experts have likewise consisted of information on many space capsule, including Leader as well as Voyager.