7th Cosmos

The 7th Cosmos (第7宇宙 Dainana Uchū) is a remote region of space. It contains a cold, primitive planet populated by animals.

Fiction

Beast Wars II comic

After Nemesis exploded, it scatted the Angolmois Energy it had collected into seven capsules; one of them traveled back in time to a primitive planet in the 7th Cosmos. There, it evolved several native animals, including a mammoth named Big and the dinosaurs who would become Magmatron, and came to be known as the "Divine Stone". Lio Convoy later arrived in this era and planet and was initially unaware of where he was. Upon contact with the Angolmois Capsule, Lio Convoy's onboard computer revealed to him that he had traveled millions of years ago to the 7th Cosmos. The Beast Wars "Neo" Begin!!!