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Solar system formation
dvandorn
post Dec 3 2008, 05:16 AM
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QUOTE (Juramike @ Dec 2 2008, 11:11 PM) *
Here is a recent article in space.com (I tried to link to this a few days ago, but it disappeared from the space.com archives...today it's back) about how Jupiter may have a much bigger core (14-16 Earth masses of rock!) than previously proposed. Previous predictions ranged from a core of 7 Earth masses of rock to no core at all. Juno should help nail down the absolute size of the core, and therefore, whether a rock core was required for the initial accretion.

Which came first: gas or rock?

And if rock is required to initiate accretion of gas giants... what about stars?

-the other Doug

(This discussion was originally in the Juno thread but was moved to a separate topic - moderator)


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Posts in this topic
- dvandorn   Solar system formation   Dec 3 2008, 05:16 AM
- - Doc   Stars from gas giants to form binary systems? Can ...   Dec 3 2008, 08:56 AM
- - Juramike   QUOTE (dvandorn @ Dec 3 2008, 12:16 AM) A...   Dec 3 2008, 01:34 PM
- - dvandorn   Not failed planets -- spectacularly successful pla...   Dec 3 2008, 05:25 PM
|- - charborob   QUOTE (dvandorn @ Dec 3 2008, 12:25 PM) S...   Dec 3 2008, 07:16 PM
||- - ugordan   QUOTE (charborob @ Dec 3 2008, 08:16 PM) ...   Dec 3 2008, 07:31 PM
|- - MichaelPoole   QUOTE (dvandorn @ Dec 3 2008, 06:25 PM) N...   Nov 30 2017, 08:53 PM
- - Fran Ontanaya   Higher momentum and radioactive decay could be oth...   Dec 3 2008, 06:04 PM
- - nprev   I could see dust coalescing into a rocky core as a...   Dec 4 2008, 02:41 AM
- - dvandorn   I think some kind of plasma form for the rocky cor...   Dec 4 2008, 08:19 AM
|- - stevesliva   I can't speculate, but some people have: http:...   Dec 4 2008, 05:46 PM
- - AndyG   Is see from this site that the contents of the sun...   Dec 4 2008, 09:25 AM
- - tanjent   This modeling of stellar interiors calls to mind a...   Dec 4 2008, 02:26 PM
- - Doc   Yep, thats definitely an old model;-) The interact...   Dec 4 2008, 03:19 PM
- - Fran Ontanaya   Armchair Q. Wouldn't the atoms break apart und...   Dec 4 2008, 04:40 PM
- - Juramike   While the atomic electron clouds and probability s...   Dec 4 2008, 05:43 PM
- - Juramike   So, if I skimmed that article correctly, it is ...   Dec 4 2008, 05:53 PM
- - tty   Well it would be ionized iron gas, so I suppose it...   Dec 4 2008, 06:00 PM
- - dvandorn   How much spreading can it do in an environment whe...   Dec 4 2008, 06:32 PM
- - Gerald   Well, first I think, that populations I and III st...   Nov 30 2017, 10:43 PM


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