daniel / akira

[  comets and counting ]



The Arecibo message was broadcast into space on 16 November 1974. It was aimed at the globular star cluster M13 some 25,000 light years away because M13 was a large and close collection of stars that was available in the sky at the time. The message consisted of approximately 210 bytes, transmitted at a frequency of 2380 MHz with a power of 1000 kW. The total broadcast was less than three minutes.
The message consists of seven parts that encode the following:
The numbers one (1) to 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 the Solar System
A graphic of the Arecibo radio telescope and the dimension (the physical diameter) of the transmitting antenna dish
Because it will take 25,000 years for the message to reach its intended destination of stars (and an additional 25,000 years for any reply), the Arecibo message was more a demonstration of human technological achievement than a real attempt to enter into a conversation with extraterrestrials. In fact, the stars of M13 that the message was aimed at will no longer be in that location when the message arrives. 

The Arecibo message was broadcast into space on 16 November 1974. It was aimed at the globular star cluster M13 some 25,000 light years away because M13 was a large and close collection of stars that was available in the sky at the time. The message consisted of approximately 210 bytes, transmitted at a frequency of 2380 MHz with a power of 1000 kW. The total broadcast was less than three minutes.

The message consists of seven parts that encode the following:

  1. The numbers one (1) to ten (10)
  2. The atomic numbers of the elements hydrogen, carbon, nitrogen, oxygen, and phosphorus, which make up deoxyribonucleic acid (DNA)
  3. The formulas for the sugars and bases in the nucleotides of DNA
  4. The number of nucleotides in DNA, and a graphic of the double helix structure of DNA
  5. A graphic figure of a human, the dimension (physical height) of an average man, and the human population of Earth
  6. A graphic of the Solar System
  7. A graphic of the Arecibo radio telescope and the dimension (the physical diameter) of the transmitting antenna dish

Because it will take 25,000 years for the message to reach its intended destination of stars (and an additional 25,000 years for any reply), the Arecibo message was more a demonstration of human technological achievement than a real attempt to enter into a conversation with extraterrestrials. In fact, the stars of M13 that the message was aimed at will no longer be in that location when the message arrives. 

  1. bayamontateperiousiaからリブログしました
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  10. atlanticagalacticaperiousiaからリブログして、コメントを追加しました:
    For a full description see: //en.wikipedia.org/wiki/Arecibo_message
  11. jonbonbonjovimysoulstayschemicalからリブログしました
  12. mysoulstayschemicalperiousiaからリブログして、コメントを追加しました:
    Aliens probably saw this but didn’t recognize it as signs of intelligent life and ignored it.
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  17. cedeno1985periousiaからリブログして、コメントを追加しました:
    MIND FUCKING BLOWN…
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