.On November 16, 1974, humans sent their 1st message to the celebrities in an effort to speak to space beings. They performed this using what was after that the most extensive broadcast telescope on the planet, found at the Arecibo Observatory in Puerto Rico. A team of experts led through Frank Drake as well as Carl Sagan sent their notification to the M13 galaxy.
The message was actually filled in binary code and contained details about human DNA. It additionally consisted of figures of an individual, the solar system and the Arecibo telescope. The tip was that if any invaders were actually to acquire the signal and also determine just how to decode it, they would certainly understand where it arised from.
Considering that M13 is actually 25,000 light-years away, it will certainly take 25,000 years for any type of M13 aliens to hear our notification– if they are even out certainly there. The Arecibo information is just one of a number of notifications wanted for e.t.s. Our experts have actually additionally included information on a number of space capsule, like Pioneer and Voyager.