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Definitions from WordNet

Definitions from the Web

Cosmological Constant

Description:

The cosmological constant is a constant term in the equations of general relativity that corresponds to the energy density of empty space. It is often denoted by the Greek letter lambda (Λ) and plays a crucial role in the study of the universe's expansion and the nature of dark energy.

Sample Sentences:

• The concept of the cosmological constant was introduced by Albert Einstein in 1917.
• Scientists are still trying to determine the precise value of the cosmological constant.
• Recent observations suggest that the cosmological constant may be responsible for the accelerated expansion of the universe.

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