Difference Between Cosmos and Universe

The world we live in is very vast, yet the vast majority of us limit ourselves to living in a small portion of it; but still people are aware of the existence of other planets and galaxies, as well as many other things in the universe and the cosmos.

COSMOS Difference Between Cosmos and Universe

” Cosmos ” is defined as an ordered and harmonious whole, a system that is governed not by human or supernatural laws, but by natural law. It is used to refer to objects that exist naturally, especially those that can be seen in the sky. The term “cosmos” has two connotations. It comes from the Greek word “kosmos”, which means “order, good order” or “ornaments.”

This term was first used by Pythagoras, a 6th century Greek philosopher. Mathematician who discovered the Theorem that bears his name and founder of the philosophical-religious movement known as Pythagoreanism.


On the other hand, ” universe ” is defined as everything that exists and includes all matter and energy, the earth, and everything it contains, along with extraterrestrial or celestial bodies such as galaxies, stars, meteorites “It is everything that existed, exists and will exist ». It has the following elements, namely; space, time, emptiness (this is under discussion), matter and energy.

The concept of universe was developed by the ancient Greeks, this term comes from the Latin word “universus”, which means “all together or integrated”, which was used for the first time by Cicero.

The words “cosmos” and “universe” are used synonymously, as they refer to the same concept as the world or nature. But the concept of the cosmos is broader and involves more elements than that of the universe.

Key differences between cosmos and universe

  • The cosmos is an ordered system or set that is governed by natural law, while the universe encompasses everything that exists and is known so far.
  • The concept of the cosmos is more encompassing than that of the universe.

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