Did supernovae have anything to do with the solar creation?

[pixel01]

Some of my friends claim that the solar creation had something to do with a supernova. I have no idea about that. Can you please explain?

Thanks

 

[Kurdt]

A supernova can cause a shock that compresses nearby gas and can kick start other star formation.

 

[pixel01]

Thanks Kurdt
So that means not all the solar systems need a supernova to be formed?

 

[malawi_glenn]

Thanks Kurdt
So that means not all the solar systems need a supernova to be formed?

Nope. SN can trigger the collapse of the cloud, but other mechanism can do that too. Like expanding HII regions, strong stellar winds etc.

 

[MaWM]

or the formation of other star clusters

 

[pixel01]

Thank you all for the helps.

I have one more question and I think it's not worth to open a new thread.

In our solar system, we can see all kinds of elements and these elements probably rooted from the proto-planetary disk. So the interstelar gas which formed the disk must contain these elements and it must have been the products of certain supernovae in the ancient universe.
I am right ?

 

[malawi_glenn]

well yes. And aslo from stellar winds from AGB stars etc. And aslo if our solar system was formed by a SN triggered the collapse, elements from it should have been injected. Evidence for this is the existence of the short lived Al-26, which we can traces from in very old meteroties. This is called "Isotopic anomalies in meteroties", and I have written an essay about this in my "Nuclear astrophysics course".

send me a PM if you are intressted in reading it :)

 

[Garth]

Theory requires some kind of 'kick' to start nebula collapse into star system(s), a super nova would generate a pressure wave, which would provide such a 'kick', but is there any evidence?

The Allende meteorite might tell us something about the formation of the Solar System.

The Allende meteorite also contains fine-grained, microscopic diamonds with strange isotopic signatures that point to an extrasolar origin; these interstellar grains are older than the Solar System and probably the product of a nearby supernova.

The proposed supernova seems to have been dated just before the Solar System formed, as in this Nature article:

The extensive investigation of the Allende meteorite has provided much new information on the early history of our Solar System. The findings include small but significant anomalies of the isotopic composition for several elements which are clearly not due to any of the processes hitherto known to cause such variations (see ref. 1 for review). These anomalies seem to confirm the reality of astrophysical concepts developed since the classical paper of Burbidge et al. 2 on the different modes of origin of the nuclei. Evidence has also been found which points to the possible presence in Allende of pre-solar condensates. Jessberger and Dominik3 have presented data to support an earlier result4 according to which the 40Ar gas retention ages of some white inclusions from Allende exceed the canonical age of the Solar System. These gas retention ages were obtained by 40Ar−39Ar dating, however, and are therefore based on the assumption that the 39K/40K ratio in the inclusions is identical to that used in the reference standard. In view of the far-reaching implications of finding in meteorites solid matter pre-dating by roughly 500 Myr the condensation of the Solar System we have attempted to verify this assumption. This is especially important because the Allende inclusions contain elements with an anomalous isotopic composition.

If there was indeed a Allende meteorite Super Nova, could it have been the one that triggered our own Solar System's formation? It is an intriguing possibility.

Garth

 

[malawi_glenn]

http://eaa.crcpress.com/default.asp

search for "Allende meteorite".