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roark05
http://www.physorg.com/news11742.html

All the recent coverage and speculation of the source for the high temperature minerals - other suns or nebulas - miss an answer in our backyard - the probable explosion of a 5th or so planet a few million years ago. Consider.
John Lawrence
Why would you not expect the comet to be made up of all kinds of material? It has been acting like a "carpet sweeper" picking up stuff from all over our solar system for millions of years.
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