Tuesday, April 04, 2006

We are all of us made of stars...

Did you know that most elements in your body heavier than oxygen - and every element heavier than iron - is made in supernovas?

Think about it: the gold in your wedding ring is only ever made in stars when they explode. Most of your own body was at some point in time part of a star... and the elements came to our solar system and created a new sun and planet from the remnants flung out in the explosion at the end of it's life.

The elements in our bodies have been around a long, long time - at least the length of time that our own solar system has been in existence.

Kind of makes you humble doesn't it?

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