مشخصات کتاب

Once before time: a whole story of the universe

ویرایش:  
نویسندگان: Bojowald. Martin  
سری:  
ISBN (شابک) : 9780307594259, 0307594254 
ناشر: Knopf Doubleday Publishing Group;Vintage Books 
سال نشر: 2013;2010 
تعداد صفحات: 0 
زبان: English 
فرمت فایل : EPUB (درصورت درخواست کاربر به PDF، EPUB یا AZW3 تبدیل می شود) 
حجم فایل: 4 مگابایت 

کلمات کلیدی مربوط به کتاب یک بار قبل از زمان: یک داستان کامل از جهان: علم -- فیزیک -- عمومی ، علم ، ، علم -- فیزیک -- عمومی

در صورت تبدیل فایل کتاب Once before time: a whole story of the universe به فرمت های PDF، EPUB، AZW3، MOBI و یا DJVU می توانید به پشتیبان اطلاع دهید تا فایل مورد نظر را تبدیل نمایند.

توجه داشته باشید کتاب یک بار قبل از زمان: یک داستان کامل از جهان نسخه زبان اصلی می باشد و کتاب ترجمه شده به فارسی نمی باشد. وبسایت اینترنشنال لایبرری ارائه دهنده کتاب های زبان اصلی می باشد و هیچ گونه کتاب ترجمه شده یا نوشته شده به فارسی را ارائه نمی دهد.

توضیحاتی در مورد کتاب یک بار قبل از زمان: یک داستان کامل از جهان



توضیحاتی درمورد کتاب به خارجی

In 2000, Martin Bojowald, then a twenty-seven-year-old post-doc at Pennsylvania State University, used a relatively new theory called loop quantum gravity'a cunning combination of Einstein's theory of gravity with quantum mechanics'to create a simple model of the universe. Loop quantum cosmology was born, and with it, a theory that managed to do something even Einstein's general theory of relativity had failed to do'illuminate the very birth of the universe. Ever since, loop quantum cosmology, or LQC, has been tantalizing physicists with the idea that our universe could conceivably have emerged from the collapse of a previous one. Now the theory is poised to formulate hypotheses we can actually test. If they are verified, the big bang will give way to the big bounce. Instead of a universe that emerged from a point of infinite density, we will have one that recycles, possibly through an eternal series of expansions and contractions, with no beginning and no end. Bojowald's major realization was that unlike general relativity, the physics of LQC do not break down at the big bang. The greatest mystery surrounding the origin of the universe is what cosmologists call the big bang "singularity"'the point at the beginning of the universe, prior to the existence of space and time, when gravity, along with the temperature and density of the universe, becomes infinite. The equations of general relativity can't cope with such infinities, and as a result big bang theory has never been able to give any explanation for the initial condition of our universe, succeeding only in describing and explaining the evolution of the universe from that instant onward. Bojowald's theory takes us right up to the first moment of the universe'and then back, even before the big bang itself. From the Hardcover edition.

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