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Conformal cyclic cosmology (CCC) is a cosmological model in the framework of general relativity and proposed by theoretical physicist Roger Penrose. [1] [2] [3] In CCC, the universe iterates through infinite cycles, with the future timelike infinity (i.e. the latest end of any possible timescale evaluated for any point in space) of each previous iteration being identified with the Big Bang ...
Eternal return (or eternal recurrence) is a philosophical concept which states that time repeats itself in an infinite loop, and that exactly the same events will continue to occur in exactly the same way, over and over again, for eternity.
A cyclic model (or oscillating model) is any of several cosmological models in which the universe follows infinite, or indefinite, self-sustaining cycles. For example, the oscillating universe theory briefly considered by Albert Einstein in 1930 theorized a universe following an eternal series of oscillations, each beginning with a Big Bang and ending with a Big Crunch; in the interim, the ...
Rebirth in Buddhism refers to the teaching that the actions of a sentient being lead to a new existence after death, in an endless cycle called saṃsāra. [1] [2] This cycle is considered to be dukkha, unsatisfactory and painful. The cycle stops only if Nirvana (liberation) is achieved by insight and the extinguishing of craving.
Saṃsāra (Sanskrit: संसार, Pali: saṃsāra; also samsara) in Buddhism and Hinduism is the beginningless cycle of repeated birth, mundane existence and dying again. [1] Samsara is considered to be dukkha , suffering, and in general unsatisfactory and painful, [ 2 ] perpetuated by desire and avidya (ignorance), and the resulting ...
[1] [4] [5] When related to the theory of karma it is the cycle of death and rebirth. [1] [4] [6] The "cyclicity of all life, matter, and existence" is a fundamental belief of most Indian religions. [4] [7] [8] The concept of saṃsāra has roots in the post-Vedic literature; the theory is not discussed in the Vedas themselves.
Sir Arthur Keith's theory of a species-wide amity-enmity complex suggests that human conscience evolved as a duality: people are driven to protect members of their in-group, and to hate and fight enemies who belong to an out-group. Thus an endless, useless cycle of ad hoc "isms" arises. [28]
Cycles of Time: An Extraordinary New View of the Universe is a science book by mathematical physicist Roger Penrose published by The Bodley Head in 2010. The book outlines Penrose's Conformal Cyclic Cosmology (CCC) model, which is an extension of general relativity but opposed to the widely supported multidimensional string theories and cosmological inflation following the Big Bang.