Ambrosia in Homer's poems nectar is usually the drink and ambrosia the food of the gods; it was with ambrosia Hera "cleansed all defilement from her lovely flesh", and with ambrosia Athena prepared Penelope in her sleep, so that when she appeared for the final time before her suitors, the effects of years had been stripped away, and they were inflamed with passion at the sight of her. On the other hand, in Alcman, nectar is the food, and in Sappho and Anaxandrides, ambrosia is the drink. A character in Aristophanes' "Knights" says, "I dreamed the goddess poured ambrosia over your
Chariots of the Gods? of the Gods?" spawned multiple sequels, including "Gods from Outer Space" and "The Gods Were Astronauts". The theory in the original book is said to have influenced a variety of science fiction books, films, and television series. For instance, it is considered the inspiration for the History Channel television series, "Ancient Aliens". It has also been used as a plot element in television shows and movies like "Star Trek" (which actually addressed the question "before" von Däniken's book was published), "Stargate", "The X-Files", the "Alien" franchise (most notably, "Prometheus"), and the "Indiana Jones" franchise (specifically, "Indiana Jones And The Kingdom