posted on May, 23 2003 @ 05:04 AM
Earthlings haven’t made many deliberate broadcasts to extraterrestrials, but in 1974, as part of a ceremony at the economy-sized Arecibo radio
telescope, the observatory staff arranged to beam a three-minute message to a few hundred thousand stars in the constellation of Hercules.
The message consisted of a simple picture showing the structure of our solar system and the structure of ourselves – DNA and its chemical building
blocks. Innocuous enough...