Decoding the seven part Arecibo Message

• The numbers one to ten 
• The atomic numbers of the elements hydrogen, carbon, nitrogen, oxygen, and phosphorus, which make up deoxyribonucleic acid (DNA)
• The formulas for the chemical compounds that make up the nucleotides of DNA 
• The estimated number of DNA nucleotides in the human genome, and a graphic of the double helix structure of DNA 
• The dimension (physical height, 5'9") of an average man, a graphic figure of a human being, and the human population of Earth which was about 4 billion at the time
• A graphic of the Solar System, indicating which of the planets the message is coming from. The Sun is on the left and the third planet, Earth, raised toward the human figure