Without answering your questions, don't pay any attention to the
Wikipedia articles on CAIs and chondrules. They are basically useless.
I began to work on them, starting with the chondrules, but it was taking
too much time, so they have languished.
Definitive answers to what caused the formation of CAIs and chondrules
are not known.
Jeff
Francesco Moser wrote:
Hello!
I take a look on wikipedia about CAI and chondrules, but I have still
some doubt.
http://en.wikipedia.org/wiki/Calcium-aluminium-rich_inclusion
http://en.wikipedia.org/wiki/Chondrule
What prompted the formation of CAI? and what's caused the formation of
chondurles???
The supernova gave the energy for the formation of CAI and for the
collapse of the solar nebula?
Some other energy source, still unknow, 2 million years later molten
the material which formed the chondrules? But wich type of energy source?
Is correct this time line?
1) supernova
2) few time later CAI formation
3) at the same time collapse of nebula
4) 2My later condrule formation
5) at the same time proto-sun and proto-planetary formation
6) ...
Thanks a lot!
Best regards!
<>X<>X<>X<>X<>
Francesco Moser
IMCA #1510
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Dr. Jeffrey N. Grossman phone: (703) 648-6184
US Geological Survey fax: (703) 648-6383
954 National Center
Reston, VA 20192, USA
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