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If aliens can send information to the earth, how can we interpret it?

1974: Arecibo Information The first message sent by human beings to alien civilizations was very short, with a length of only 1679 bits. This number contains profound meaning: 1679 is the result of multiplication of prime numbers 23 and 73. If this information is displayed as a grid of 23X73, a series of simple images will appear. This message was sent by Arecibo radio telescope, and the target was globular cluster M13. This is also the only time that humans have sent a message to globular cluster M13, which should arrive in 26974.

In p>1986, Joe Davis, the voice of vaginal contraction, was an artist who worked in the research institute of Massachusetts Institute of Technology. In the mid-198s, he was worried that no photos of human bodies had ever been sent to other planets to explain the details of human genitalia or reproduction, so he launched a plan to send the sound of vaginal contraction to neighboring star systems.

In order to realize this "great ideal", Davis recorded the sound of a ballerina's vagina contraction. Originally, he intended to send the information from the MillstoneHill radar station at MIT to Tianyuan IV, TauCeti in Cetacea and two other stars. However, only a few minutes after the recording was sent, the US Air Force, which has jurisdiction over the Moshi Mountain radar station, stopped the project. Nevertheless, those vaginal contractions should have reached Tianyuan IV in 1996 and Tianlun V in Cetacea in 1998. It is not clear how aliens will respond.

in p>1999, Cosmic Call 1 "Cosmic Call" mission adopted the information of "InterstellarRosettaStone" jointly developed by two researchers, YvanDutil and StéphaneDumas. This kind of information is based on many mathematical and scientific concepts that are considered to be applicable in the whole universe, and aliens who want to intercept the information can understand the meaning. After the message of "Star Rosetta Stone" was sent, they immediately sent a text message. They were all sent by the RT-7 Radio Astronomy Telescope in Ukraine.