Chindi.

Description:

The universe has been explored--and humanity has all but given up on finding other intelligent life. Then an alien satellite orbiting a distant star sends out an unreadable signal. Is it the final programmed gasp of an ancient, long-dead race? Or the first greeting of an undiscovered life form?

subjects: Fiction,  Science Fiction,  Fiction, science fiction, general,  Priscilla Hutchins (Fictitious character),  Human-alien encounters,  Extraterrestrial anthropology,  Interstellar communication,  Life on other planets,  Space ships