The steady state theory is the cosmological theory that the universe has no beginning or end and is expanding at a uniform rate. It also states that the universe continues to expand while having a constant density and is even with the distribution of old and new objects.
Continue ReadingAccording to Dictionary.com, the steady state theory was abandoned for the big bang theory due to the discovery of quasars and other entities that only appear at great distance. This suggests an absolute relationship between the distances of objects and age. The steady state theory was also discredited when cosmic background radiation was discovered, as it was not predicted by steady state theory but was predicted by the big bang theory.
Learn more about PhysicsSpace-time is a mathematical and physical construct that explains how space and time interact; the three physical dimensions and one time dimension combine to create the four-dimensional nature of the universe. Space-time resulted from Albert Einstein's work on relativity.
Full Answer >Quantum physics, also referred to as quantum mechanics, is "A theory of matter that is based on the concept of the possession of wave properties by elementary particles," according to Merriam-Webster. Quantum physics deals with the behavior of light and matter at a subatomic and atomic level.
Full Answer >Einstein's theory of relativity states that matter and energy are interchangeable, and the amount of energy in a portion of matter equals its mass times the speed of light squared, which Einstein expressed in his equation: E=mc². Relativity also states that space and time are aspects of a single fabric called the space-time continuum and that gravity is not a pulling force, but a change in the motion of objects due to the curvature of space.
Full Answer >In the theory of relativity in the study of physics, the interval between two events is called proper time. Proper time is based on a clock that measures both events.
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