Compare the elements in an early Protostar and those in a young star formed from star dust of older stars

Since this is not my area of expertise, I searched Google under the key words "protostar elements young" to get these possible sources:

http://praxis.pha.jhu.edu/astro2/astro2_science/wr.html
http://www.ifa.hawaii.edu/research/stars_and_galaxy.htm
http://www.springerlink.com/content/p29n8q7233158t0r/
http://www.pd.astro.it/E-MOSTRA/NEW/A3001STR.HTM
http://library.advanced.org/12523/article1.2.html
http://www.maa.mhn.de/Scholar/Starlife/evolutna.html

I hope this helps. Thanks for asking.

1 answer

a. Gravity force pulls everything to the center the pressure from the nuclear fusions sends matter outside away from the center
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