A mensagem é informação sobre como criar um filho da raça alienígena. Da página 246 da capa dura:
"The bulk of the message is the Dracon genome, and related biochemical information."
He frowned. "Well, um, I guess that'll be fascinating to study."
"We're not supposed to study it," Sarah said. "Or at least, that's not all we're supposed to do."
"What then?"
"We're supposed to" -- she paused, presumably seeking a word -- "to actualize it."
"Sorry?"
"The message," she said, "also includes instructions for making an artificial womb and an incubator."