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The Arecibo message is an interstellar radio message carrying basic information about humanity and Earth that was sent to the globular cluster Messier 13 in 1974. It was meant as a demonstration of human technological achievement, rather than a real attempt to enter into a conversation with extraterrestrials.
These seven messages have targeted stars between 20 and 69 light-years from the Earth. The exception is the Arecibo message, which targeted globular cluster M13, approximately 24,000 light-years away. The first message to reach its destination will be A Message From Earth, which should reach the Gliese 581 planetary system in Libra in 2029.
The image is not intended to be an exact representation of the original message, it is just for making it easy for readers to easily understand different parts of the message, IMO. The original message is just a series of "1s" and "0s" (in binary) and does not make sense for most readers (so, I think we need a picture and therefore we have to ...
The Arecibo message, transmitted in 1974, was a 1,679-pixel bitmap that, when properly arranged into 73 rows and 23 columns, shows the numbers one through ten; the atomic numbers of hydrogen, carbon, nitrogen, oxygen, and phosphorus; the formulas for the sugars and bases that make up the nucleotides of DNA; the number of nucleotides in the ...
The plaque was the first physical message sent into space and intended to be understandable by any sufficiently technologically advanced extraterrestrial lifeforms that might intercept it. [11] In 1974, Drake wrote the Arecibo message, the first interstellar message transmitted deliberately from Earth. [12]
A graphical representation of the Arecibo message, as sent 1974 from the Arecibo Observatory, humanity's first attempt to use radio waves to actively communicate its ...
The Arecibo message, sent to globular cluster M13 after the recommendations of Project Cyclops were not implemented [4]. To detect extraterrestrial civilizations with radio telescopes, one must identify an artificial, coherent signal against a background of various natural phenomena that also produce radio waves.
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