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Accretion

Accretion

1. Increase by addition to the periphery of material of the same nature as that already present; e.g., the manner of growth of crystals.

Synonym: accrementition.

2. In dentistry, foreign material (usually plaque or calculus) collecting on the surface of a tooth or in a cavity.

3. A growing together.

Origin: L. Accretio, fr. Ad, to, _ crescere, to grow


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Theories - Origin of Life

scottie Well, actually, I'm not against accretion. Central hyper-astroid initially formed from the stars - the white giants that - the main population of elliptical galaxies. Such stars - pure hydrogen-helium white giants, as these galaxies formed ...

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by LeoPol
Wed Oct 05, 2011 7:17 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907189

Re: Theories - Origin of Life

... of the Earth/'s mantle before the terminal bombardment." Nature 477(7363): 195-198. Btw these researchers are basing their ideas on Accretion Theory that you don’t agree with "membranoids" ---- Not my type of music :)

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by scottie
Tue Oct 04, 2011 10:14 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907189

Re: Theories - Origin of Life

... the obvious. Maybe it is a language problem So may I try again In my post that you refer to I stated Now stellar evolution tells us that accretion was the process that formed the Galaxies Stars and planets. The process consists of the collision of microscopic dust (the elements) and then ...

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by scottie
Tue Oct 04, 2011 12:41 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907189

Re: Theories - Origin of Life

... is my argument. Please read what I am writing. The oxygen must have been around in the compounds that formed the rocks according to the theory of accretion. For it not to be around after the rocks formed must mean that all the oxygen was used up with no remainder, for any atmosphere. That was ...

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by scottie
Mon Oct 03, 2011 10:12 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907189

Re: Theories - Origin of Life

... amounts of oxygen atoms as well. So there is plenty of oxygen atoms in rocks. Water contains oxygen (H2O) Now stellar evolution tells us that accretion was the process that formed the Galaxies Stars and planets. The process consists of the collision of microscopic dust (the elements) and then ...

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by JackBean
Mon Oct 03, 2011 4:07 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907189
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