September 29th, 2008
Podcast: Nucleosynthesis: Elements from Stars
Written by Astronomy Cast
Look around you. Breathe in some air. Everything you can see and feel was formed in a star. Today we'll examine that long journey that matter has gone through, forged and re-forged in the hearts of stars. In fact, the device you're using to listen to this podcast has some elements formed in a supernova explosion.
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September 29th, 2008 at 2:59 pm
Let me just say that I was very happy to see the good doctor finally mention something that often gets swept under the rug in rhetorical flourishes when the subject of stellar nucleosynthesis is broached. We are not all star stuff. Some of the hydrogen in the water that composes us (and that is a fair bit) may quite possibly be original material dating back to the big bang. We are star stuff and Big Bang stuff and yes I realize that doesn't trip off the tongue as nicely and as alliteratively as 'star stuff' but I think it is more accurate. Primordial soup with croutons anyone?
September 29th, 2008 at 8:53 pm
Very nice episode. I still wonder what percent of me comes fromt that which has already exploded?