.On November 16, 1974, humans sent their first message to the stars in an attempt to call extraterrestrials. They did this using what was actually after that the most extensive radio telescope on earth, found at the Arecibo Observatory in Puerto Rico. A group of experts led through Frank Drake and also Carl Sagan sent their notification to the M13 galaxy.
The message was written in binary code and also had information regarding human DNA. It also consisted of amounts of a human, the planetary system as well as the Arecibo telescope. The tip was actually that if any kind of invaders were actually to obtain the indicator as well as figure out how to translate it, they would understand where it originated from.
Given that M13 is actually 25,000 light-years away, it will certainly take 25,000 years for any kind of M13 invaders to hear our message– if they are actually flatten there certainly. The Arecibo message is a single of a number of messages aimed for e.t.s. Our company have actually additionally included messages on many space probe, including Pioneer as well as Voyager.