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The process inverse to particle annihilation can be called matter creation; more precisely, we are considering here the process obtained under time reversal of the annihilation process. This process is also known as pair production , and can be described as the conversion of light particles (i.e., photons) into one or more massive particles .
Creatio ex nihilo is the doctrine that all matter was created out of nothing by God in an initial or a beginning moment where the cosmos came into existence. [13] [14] The third-century founder of Neoplatonism, Plotinus, argued that the cosmos was instead an emanation from God.
NASA's 2015 strategy for astrobiology aimed to solve the puzzle of the origin of life – how a fully functioning living system could emerge from non-living components – through research on the prebiotic origin of life's chemicals, both in space and on planets, as well as the functioning of early biomolecules to catalyse reactions and support inheritance.
Creatio ex materia is the notion that the universe was formed out of eternal, pre-existing matter.This is in contrast to the notion of creatio ex nihilo, where the universe is created out of nothing.
Aristotle argued that a "vacuum" (that is, a place where there is no matter) is impossible. Material objects can come into existence only in place, that is, occupy space. Were something to come from nothing, "the place to be occupied by what comes into existence would previously have been occupied by a vacuum, inasmuch as no body existed."
Parmenides suggested it did not exist and used this to argue for the non-existence of change, motion, and differentiation, among other things. [2] In response to Parmenides, Democritus, one of the early proponents of atomism, posited that the universe was composed of atoms moving through the Void. According to Democritus, the Void was a ...
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Nothing incorporeal exists. The nature of the world is one of unceasing change, driven by the active part or reason ( logos ) of God which pervades all things. The active substance of the world is characterized as a 'breath', or pneuma , which provides form and motion to matter, and is the origin of the elements , life, and human rationality.