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The deuterium nuclei would then have combined with more protons and neutrons to make helium nuclei , which contain two protons and two neutrons , and also small amounts of a couple of heavier elements , lithium and beryllium .
Our own sun contains about 2 percent of these heavier elements , because it is a second- or third - generation star , formed some five thousand million years ago out of ...
If this is the case , a universe that devel- oped from some sort of random initial conditions should contain a number of regions that are smooth and uniform and are suitable for the evolution of intelligent life .
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LibraryThing Review
Crítica de los usuarios - jcvogan1 - LibraryThingFirst hundred pages are excellent, but then it gets to the then current day and becomes more a standard academic ‘this is what I think’ book. Leer comentario completo
LibraryThing Review
Crítica de los usuarios - benkaboo - LibraryThingSummary: Deep dive summary of the world of physics over the last 500 odd years. Things I liked: Objective: Trying to break heavy duty science into the language and ideas that regular folk can ... Leer comentario completo
Otras ediciones - Ver todas
A Brief History of Time: From the Big Bang to Black Holes Stephen Hawking,Carl Sagan Vista de fragmentos - 1990 |
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Referencias a este libro
Qualitative Data Analysis: A User-friendly Guide for Social Scientists Ian Dey Sin vista previa disponible - 1993 |
Postmodern Public Administration: Toward Discourse Charles J. Fox,Hugh T. Miller Vista de fragmentos - 1995 |