What Is the Nature of the Universe?

The nature of the universe can be described by universal and absolute physical laws. There are numerous laws that govern the universe, such as the laws of mechanics, thermodynamics, gases, conservation and relativity.

One of the laws that governs the universe is that matter cannot be created, nor can it be destroyed; matter remains constant in the universe. The same can be said for the conservation of both mass and energy. Another set of laws is that of the four laws of thermodynamics, which describe the concepts of thermal equilibrium, the passage of energy into or out of a system, the increase in entropy, and the value of entropy at temperatures near absolute zero.

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