Known world

The known world, or simply the world, was a much larger than, which contained at least three continents: Westeros, Essos, and Sothoryos, as well as a large landmass known as Ulthos. None of the landmasses in the known world were fully mapped. The planet was thought to be between forty thousand and five hundred thousand years old.

Description
The planet in which the known world was located was large and round, though some believed it to be flat. The planet only had one and belonged to a single. The known world had fourteen s.

The planet had strange s. s and s lasted for years at a time. For instance, the Long Night lasted an entire generation. and were very short. It was not always this way, though. Some in the Order of the Maesters believed that the known world once had seasons of regular length.