• Pallavi Saikia

The most appreciated and comprehensive topic of ancient times which originates the study of the most promising branch of Mathematics which further springs its existence in the very interesting and apprehensive topic, Astronomy and its subsequent precisely correlated sub-branch which is also extensively studied across the world i.e., Cosmology, is a subset of the branch Astronomy and Space Science, establishes the revolutionary imprint that Dark Energy is a hypothetical form of energy that superfluities a negative, repulsive pressure, executing the antagonist behaviour of gravitation. It has been hypothesised to interpretate the experimental possessions of distant type Ia supernovae, which establishes that our observable cosmos is experiencing an accelerated state of expansion. Maintaining a correspondence with Dark Matter, Dark Energy is not unswervingly detected rather than this repulsive characteristic exhibiting energy can be merely understandable from annotations of gravitational interactions between celestial figures existing in our universe. Existence of Dark Energy is prescribed by the two investigatory measures viz., as Hubble Space Telescope and AI Supernova Search Model. Dark energy is a mysterious appearance of energy that disturbs the universe on the heftiest measures. The first experimental indication for its subsistence originated from extents of supernovas which displayed that the universe does not enlarge at a persistent rate rather the universe’s enlargement is accelerating continuously. Measurements of the cosmic microwave background (CMB) advocates that the cosmos commenced from a hot Big Bang phenomenon, from which General Relativity elucidates its fruition and the ensuing large-scale structure of the universe. Such scenario necessitates the familiarization of a newfangled form of energy to meet up the search of the scientists to enumerate an accelerating universe.

Dark Energy, Dark Matter, expansion, cosmos, accelerating.

"Dark Energy: The Energy Extremely Accountable for the Exponential Expansion of the Cosmos", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.10, Issue 8, page no.g177-g183, August-2023, Available :http://www.jetir.org/papers/JETIR2308618.pdf

"Dark Energy: The Energy Extremely Accountable for the Exponential Expansion of the Cosmos", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.10, Issue 8, page no. ppg177-g183, August-2023, Available at : http://www.jetir.org/papers/JETIR2308618.pdf