2015-05-08 BBC:星光七纪元-32(在线收听) |
An implosion that launches an explosion creating enough heat and energy to forge almost all the other elements.The supernova explosion is able to produce some of the very rare elements heavier than iron, the zinc, the gold, the platinum, the silver, these things were ejected into the cosmos, having produced them in these very special conditions of an exploded star, the very atoms of which we are made, the oxygen that we breathe, the calcium in our bones, the iron in our red blood cells were produced billions of years ago in stars, specifically in dying stars, and these dying stars ejected these elements into the cosmos making them available for raw material, for the production of new stars, planets and ultimately life. We are star dust or rather less romantically nuclear waste, in a way the ancients were right, the stars are like Gods, they are the creators of us, to make our Earth, several hundred generations of stars needed to come and go. Stars born from collapsing clouds of dust and gas, bursting into life to shine for millions or billions of years. |
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