Earth-That-Was was the original home of all humans. A series of events led to the mass exodus of Earth's population. The Earth fleet left Earth founding a new civilization in a new star system. Many of the facts about "Earth-That-Was" have been lost to the pages of history.
Durran Haymer had a collection of ancient artifacts from "Earth-That-Was".
"When she was born she had no sky. She was open, inviting, and the stars would rush into her, through the skin of her, making the oceans boil with sensation. When she could endure no more ecstasy, she puffed up her cheeks and blew out the sky." -- An oral tradition by Saffron's people