SSC MTS EXAM

Detailed explanation-1: -In the fourth century BC, Aristotle proposed “aether” as a name for the fifth element postulated by his teacher Plato. Aether, or ether, made up the worlds of the outer celestial spheres believed to surround our own.

Detailed explanation-2: -The fifth element refers to what was known as the aether, a special unknown substance that permeated the celestial sphere and was purer than any of the four terrestrial elements. The notion of a fifth element was broached by Plato and later written about by Aristotle, but neither philosopher used the term.

Detailed explanation-3: -According to ancient and medieval science, aether (/ˈiːər/), also spelled æther, aither, or ether and also called quintessence, is the material that fills the region of the universe above the terrestrial sphere.

Detailed explanation-4: -In addition to these elements, Aristotle believed that there was a fifth element called aether, which he thought to be the basic make up of the celestial bodies. His view of the universe was hierarchical, and he made a distinct difference between the earth and the heavens.