Briefly Explain How Dark Matter Affects the Expansion Rate of the Universe

question 57

Essay

Briefly explain how dark matter affects the expansion rate of the universe and the significance of the term critical density in the absence of any mysterious repulsive force.

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Definitions:

Survey

A comprehensive examination or an assessment of something, often used for collecting data or understanding conditions or opinions.

Abatement

Abatement refers to the reduction, decrease, or removal of something, often used in legal contexts relating to the diminishing or cessation of nuisance or the reduction of a monetary obligation.

Alleged

Claimed to be the case or have taken place, although there is no proof.

Livery of Seisin

A historic legal ceremony transferring possession of property from a seller to a buyer.