Evaluationary point

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Human evaluation is a very evaluationary point of ((HOW THE LIFE BEGIN))

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Subsequent evolution | Terrestrial planets

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Subsequent evolution The planets were originally thought to have formed in or near their current orbits. From that, a minimum mass of the nebula i.e. the protoplanetary disc was derived that was necessary to form the planets – the minimum mass solar nebula. It was derived that the nebula mass must have exceeded 3585 times that of the Earth. However, this has been questioned during the last 20 years. Currently, many planetary scientists think that the Solar System might have looked very different after its initial formation: several objects at least as massive as Mercury were present in the inner Solar System, the outer Solar System was much more compact than it is now, and the  Kuiper belt  was much closer to the Sun. Terrestrial planets At the end of the planetary formation epoch, the inner Solar System was populated by 50–100 Moon- to Mars-sized  planetary embryos . Further growth was possible only because these bodies collided and merged, which took les...
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History of (BIG BOUNCE) theory

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Big bounce models have a venerable history [ further explanation needed ]  and were endorsed on largely aesthetic grounds [ which? ] [ when? ]  by cosmologists including  Willem de Sitter ,  Carl Friedrich von Weizsäcker ,  George McVittie  and  George Gamow  (who stressed that "from the physical point of view we must forget entirely about the precollapse period"). By the early 1980s, the advancing precision and scope of  observational cosmology  had revealed that the  large-scale structure  of the universe is  flat ,  homogenous  and  isotropic , a finding later accepted as the  Cosmological Principle  to apply at scales beyond roughly 300 million  light-years . It was recognized that it was necessary to  find an explanation  for how distant regions of the universe could have essentially identical properties without ever having been in light-like communication. A solution was p...
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More Interesting Scientific Points .

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Before observations of dark energy, cosmologists considered two scenarios for the future of the universe. If the mass  density  of the universe were greater than the  critical density , then the universe would reach a maximum size and then begin to collapse. It would become denser and hotter again, ending with a state similar to that in which it started—a Big Crunch. Alternatively, if the density in the universe were equal to or below the critical density, the expansion would slow down but never stop. Star formation would cease with the consumption of interstellar gas in each galaxy; stars would burn out, leaving  white dwarfs ,  neutron stars , and  black holes . Very gradually, collisions between these would result in mass accumulating into larger and larger black holes. The average temperature of the universe would asymptotically approach  absolute zero —a  Big Freeze .Moreover, if the proton were  unstable , then baryonic mat...
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