NEWS: Luminary Lineage: Did an Ancient Supernova Trigger the Solar System's Birth?
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From: Brad Guth on 8 Jul 2010 20:28 On Jul 7, 1:12 pm, Sam Wormley <sworml...(a)gmail.com> wrote: > A shock wave from an exploding star 4.5 billion years ago looks to have > begun the collapse of the molecular cloud that formed the sun and planets > > http://www.scientificamerican.com/article.cfm?id=solar-system-trigger.... > > "Employing a bit of astrophysical forensics, researchers have located > fingerprints of short-lived radioisotopes, long since decayed to more > stable daughter elements, in primitive meteorites. For those > radioisotopes to have been incorporated into primordial solar system > bodies they must have been delivered, freshly synthesized, from some > nearby cataclysm, whether a stellar explosion known as a supernova or an > ailing star throwing off layers of material in less dramatic fashion". Your astrophysical forensics is contaminated by Sirius(B). ~ BG
From: palsing on 8 Jul 2010 21:48 On Jul 8, 5:28 pm, Brad Guth <bradg...(a)gmail.com> wrote: > Your astrophysical forensics is contaminated by Sirius(B). > > ~ BG Your obsession with the insignificant Sirius system is wearing thin... do more reading... \Paul A
From: Sam Wormley on 8 Jul 2010 23:42 On 7/8/10 7:28 PM, Brad Guth wrote: > On Jul 7, 1:12 pm, Sam Wormley<sworml...(a)gmail.com> wrote: >> A shock wave from an exploding star 4.5 billion years ago looks to have >> begun the collapse of the molecular cloud that formed the sun and planets >> >> http://www.scientificamerican.com/article.cfm?id=solar-system-trigger... >> >> "Employing a bit of astrophysical forensics, researchers have located >> fingerprints of short-lived radioisotopes, long since decayed to more >> stable daughter elements, in primitive meteorites. For those >> radioisotopes to have been incorporated into primordial solar system >> bodies they must have been delivered, freshly synthesized, from some >> nearby cataclysm, whether a stellar explosion known as a supernova or an >> ailing star throwing off layers of material in less dramatic fashion". > > Your astrophysical forensics is contaminated by Sirius(B). > > ~ BG Show us your calculation! Oh I forgot, you don't have any calculations. BTW, Brad, the isotope daughters from a supernova explosion and shock wave are completely different than gasses puffed off by the red giant stage of Sirius B.
From: palsing on 9 Jul 2010 00:17
On Jul 8, 8:42 pm, Sam Wormley <sworml...(a)gmail.com> wrote: > On 7/8/10 7:28 PM, Brad Guth wrote: > > > > > > > On Jul 7, 1:12 pm, Sam Wormley<sworml...(a)gmail.com> wrote: > >> A shock wave from an exploding star 4.5 billion years ago looks to have > >> begun the collapse of the molecular cloud that formed the sun and planets > > >>http://www.scientificamerican.com/article.cfm?id=solar-system-trigger.... > > >> "Employing a bit of astrophysical forensics, researchers have located > >> fingerprints of short-lived radioisotopes, long since decayed to more > >> stable daughter elements, in primitive meteorites. For those > >> radioisotopes to have been incorporated into primordial solar system > >> bodies they must have been delivered, freshly synthesized, from some > >> nearby cataclysm, whether a stellar explosion known as a supernova or an > >> ailing star throwing off layers of material in less dramatic fashion". > > > Your astrophysical forensics is contaminated by Sirius(B). > > > ~ BG > > Show us your calculation! Oh I forgot, you don't have any > calculations. > > BTW, Brad, the isotope daughters from a supernova explosion and > shock wave are completely different than gasses puffed off by > the red giant stage of Sirius B. Brad, in other words, Sirius B was never a supernova. What makes you think it was? \Paul A |