Abstract
In this paper, we review some detailed facts and information about dark energy & dark matter and try to examine their existence and nature. We also seek to extend their influence to understand various transformations of cosmological periods that have taken place, the evidence of which can be found in the chronology of the universe, along with the significance of dark energy and dark matter. We study the present-case scenario regarding the evolution of the universe concerning the Friedmann Equations, derived from Einstein’s field equations, along with some important cosmological parameters. This analysis also underlines an effort to obtain a clear and crisp picture towards which the universe is heading with time. We also review the various cosmological eras found in the chronology of the universe, which was dominated by radiation, matter, and dark energy respectively, and derive a conclusion of what the universe might have to attain during its evolutionary course.
Keywords: Cosmic Microwave Background Radiation, Dark Energy, Dark Matter, De-Sitter Universe, Einstein’s Cosmological Constant, FRW Metric, Λ- CDM Model.
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