The cosmological constant is the same constant, which is usually denoted by the Greek letter lambda, which is one of the terms of the equations of general relativity, which were proposed by Friedman to describe the universe. If the lambda is positive, this term describes a force that, if negative, acts contrary to gravity and contributes to the expansion of the universe. This force increases with increasing distance between objects.
The data obtained through observations show us that the cosmological constant has a place to be and its value is significant. There is a possibility that the value of the cosmological constant has temporary fluctuations.
Cosmological constant
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