Chapter 63 guide

Aurora: ...a mythical world that was supposed to have been inhabited by humans in the early days, the dawn of star travel.Some people think it is an alias for "Earth"-the perhaps equally mysterious "world of origin" of human beings. It is said that the people of the Gutrantometome (see this article) see themselves as descendants of the inhabitants of Aurora.And make this the central tenet of their belief system. Besides, outsiders know almost nothing about this belief... —— "Galaxy Encyclopedia"