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The physical universe is defined as all of space and time [a] (collectively referred to as spacetime) and their contents. [10] Such contents comprise all of energy in its various forms, including electromagnetic radiation and matter, and therefore planets, moons, stars, galaxies, and the contents of intergalactic space.
Writing for The Guardian, Tim Radford commented, "Carroll builds up his narrative in brief, very readable chapters, a precept, an axiom or a physical law at a time. . Naturalism – he doesn’t favour the word atheism – defines the world entirely in terms of physical forces, fields and entities, and these forces and fields are unforgiving: they do not permit telekinesis, psychic powers ...
The basic definition of Cosmology is the science of the origin and development of the universe. In modern astronomy, the Big Bang theory is the dominant postulation. Philosophy of cosmology is an expanding discipline, directed to the conceptual foundations of cosmology and the philosophical contemplation of the universe as a totality.
The Hubble eXtreme Deep Field (XDF) was completed in September 2012 and shows the farthest galaxies ever photographed at that time. Except for the few stars in the foreground (which are bright and easily recognizable because only they have diffraction spikes), every speck of light in the photo is an individual galaxy, some of them as old as 13.2 billion years; the observable universe is ...
Scientific cosmology can be defined as the science of the universe as a whole. In it, the terms "universe" and "cosmos" are usually used as synonyms for the term "world". [12] One common definition of the world/universe found in this field is as "[t]he totality of all space and time; all that is, has been, and will be".
The First Three Minutes attempts to explain the early stages of the universe after the Big Bang.Weinberg begins by recounting a creation myth from the Younger Edda and goes on to explain how, in the first half of the twentieth century, cosmologists have come to know something of the real history of the universe.
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You Are the Universe is a philosophical work which attempts to give answers to questions pertaining to the origin of the universe, time, space, matter and the origin and meaning of consciousness [2] and the marrying of science and spirituality in daily lives.