Get Cosmic Heritage: Evolution from the Big Bang to Conscious PDF

By Peter Shaver

ISBN-10: 3642202608

ISBN-13: 9783642202605

This e-book follows the evolutionary path all of the method from the large Bang 13.7 billion years in the past to unsleeping existence this present day. it's an available introductory publication written for the layperson – somebody drawn to the ‘big picture’ coming from smooth technology. It covers quite a lot of issues together with the starting place and evolution of our universe, the character and beginning of lifestyles, the evolution of lifestyles together with questions of start and loss of life, the evolution of cognition, the character of cognizance, the opportunity of extraterrestrial lifestyles and the way forward for the universe. The publication is written in a story kind, as those issues are all components of a unmarried tale. It concludes with a dialogue at the nature and way forward for science.

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Additional info for Cosmic Heritage: Evolution from the Big Bang to Conscious Life

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Atoms are typically about 10–11 metres in size, and atomic nuclei about 10–15 metres. Elementary particle physics reaches down to 10–18 metres and even smaller. That’s less than a millionth of a trillionth of a metre. At the same time we’ve been exploring ever larger scales in our universe – more than 10+24 metres. Only a century ago we thought that the entire universe was nothing more than our own galaxy. Now we know that the universe is vastly bigger, containing over a hundred billion galaxies.

However, when an observation is made, the entity is found to be either in one state or the other. This has led to some of the most famous debates in the history of physics, and even to suggestions that the entity may be in all possible states at once, co-existing in ‘parallel universes’. This was one of the precursors to current ideas about a ‘multiverse’, discussed below. g. its position) can be accurately determined in a given measurement, then a corresponding property (its momentum) cannot. This is not a result of measurement error, it is inherent in the physical world.

If the density is less than the critical density, the universe will expand forever, and if the density is greater, the universe will ultimately re-collapse. In a critical universe the amount of matter is exactly that needed to balance the expansion. The rate of expansion just slows with time, and never completely stops. If the universe is on the critical line, it will stay so forever. (All of this assumes that the universe contains only matter – no complicating additional factors such as Einstein’s cosmological constant – but stay tuned).

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Cosmic Heritage: Evolution from the Big Bang to Conscious Life by Peter Shaver

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