For the second time in history, scientists are transmitting communications to extraterrestrials.
NASA scientists hope to communicate with extraterrestrials. They've drafted a message that they want to launch into space soon.
That message is more than a simple 'hi, how are you?' The goal is to give the aliens as much knowledge about our civilization as possible. "The message incorporates basic mathematical and physical ideas to construct a universal means of communication, followed by information regarding the biochemical makeup of life on Earth," said Jonathan Jiang, the primary author.
The so-called Beacon In The Galaxy (BITG) is written in binary code and concludes with a digital image of a man and a woman, as well as an invitation to reply. It's delivered from China's FAST (Five-hundred-meter Aperture Spherical Radio Telescope), the world's largest radio telescope. This is only the second time a message like this has been sent into space. This happened for the first time in 1974.
Not everyone, incidentally, is ecstatic. Experts are concerned that because the exact location of the Earth would be revealed, a potentially hostile species may launch an attack on our planet. That is something Jiang does not believe in. "The logic argues that a species that has evolved to the point where it can communicate across the cosmos has also evolved to a high level of mutual cooperation, and thus understands the value of peace and collaboration."

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