Posted on 11/19/2003 9:15:52 AM PST by LibWhacker
God has a sense of humor.
Hmmn. I think I need to see some data on this theory before I give it any credence at all.
It is an interesting Theory, but only that. Granted there is Iron in the core of the sun. We have known that for a long time. It is reasonable to assume that some of the material making up our solar system came from a super Nova. The Universe is afterall an OLD place. However, it would seem to me that the Neutron Star core thoery would lead to instability in our Star that we do not see, and can find no record of here on earth. Certanly the 11 year periodocity of oru sun's solar cycles would lead one to believe just the opposite. the period is too long. Most Neutron stars have rotational and magnetic patterns that are a LOT faster. Like a few rotations a second.
Like I said, interesting theory, but it just seems to ignore too many observations that we have made of our little sun. Lot's of Iron, yes. A Neutron Star core, uh, not buying in on that one.
Why haven't I heard about this home design...what are you architecting?
Do I need a computer, I got an extra one.
Well the book, 100 Billion Suns now seems really out of date, didn't have anything about the Magnatars either.
I need a new book .,
Presumably a dense inner stellar core made up of heavier elements would attract the 'loose' hydrogen cloud that remained from the Supernova (ie. the nebula would eventually collapse on it's center of mass). At some point the fusion process would re-ignite, I suppose.
The Russian word for the nesting dolls is "Matryoshka". "Patrushka" is probably the Russian word for inflatable companion.
The article is either poorly written or just nonsense. It violates the current understanding of how the sun works right after the solar neutrino problem was finally solved.
Something's just not right here.
Thanks, I didn't know about that (and sorry for the lame joke)
Correct. And you are also correct that we don't see this. Iron is the heaviest nucleus that can be made by normal fusion reactions; that's why it's interesting. Novae and supernovae are necessary to create heaver elements.
But that's what this Professor Manuel is saying; he's has evidence of iron, nickel, oxygen, and silicon :
Sun's Surface Composition
Composition of Bulk Sun (after correction)
If he's correct, this would account for what we observe of the planets, comets and meteorites.
If they are formed of the same stuff as the rest of the solar system:
A sun composed of H/He has very few elements in common with the known composition of the orbiting bodies, but a Fe/Ni/O/Si would have nearly the same composition as them.
Thanks.
But that type of composition would have a difference spectrum.
(different?) Could be.
The known spectra of comets and planets are based on reflected light. None (that I know of) are from radiated light at 7,000 - 1,000,000 Kelvin.
Either way, a sun with iron, nickel, oxygen, and silicon would be closer in composition than would be the standard hydrogen - helium theory.
Again, assuming the sun, planets, comets, etc. were formed by accretion form the same ball of matter.
The Sun: A Great Ball of Iron?
Science Daily
Posted on 07/18/2002 2:33:32 AM EDT by per loin
http://www.freerepublic.com/focus/news/718067/posts
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.