If there are sapient beings in other galaxies, where do you think would they most likely be located. Do you think they could identify/ decode the Arecibo message if they are completely different from us. Why do people always assume they might be so intelligent and advanced, they could be far behind us in their development and technologies, i say that because as far as we know, they haven’t contacted us ( or want to contact us).
http://en.wikipedia.org/wiki/Arecibo_message
Dr. Frank Drake, then at Cornell University and creator of the famous Drake equation, wrote the message, with help from Carl Sagan, among others.[1] The message consists of seven parts that encode the following:[4]
The numbers one (1) through ten (10)
The atomic numbers of the elements hydrogen, carbon, nitrogen, oxygen, and phosphorus, which make up deoxyribonucleic acid (DNA)
The formulas for the sugars and bases in the nucleotides of DNA
The number of nucleotides in DNA, and a graphic of the double helix structure of DNA
A graphic figure of a human, the dimension (physical height) of an average man, and the human population of Earth
A graphic of Earth’s Solar System
A graphic of the Arecibo radio telescope and the dimension (the physical diameter) of the transmitting antenna dish
