During the journey to Comporellon, Trevize, Bliss and Pelorat talk about the attitudes toward Gaia. Bliss says that Trevize believes she is a robot and says there were robots in Gaia's distant past. Bliss also reveals that there are "parts of Gaia" throughout the galaxy, though she won't tell where. As Trevize and his crew make their way into the Comporellon region, they're summoned to an entry station. The purpose of the entry stations is to ensure that visitors to the planet are legitimate, carrying no illegal cargo and have the legal right to be on the planet. Though Trevize hadn't previously mentioned the need for documentation to gain entry, he seems to have expected that there would be few - in any - questions about Bliss and her.....
