👉 The term "diopsides" is a colloquialism that refers to the concept of the universe being divided into 13 regions, known as Diopias. These are the regions of the cosmos where stars and planets can be found, along with other celestial bodies such as galaxies and superclusters. Diopias were first identified by astronomer Sir Arthur Eddington in his book "The Structure of Cosmic Time and Space," published in 1930. They were named
