2015-04-03 BBC:星光七纪元-22
时间：2015-08-10 02:44:29
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（单词翻译）
In its angry old age, the Sun will show no mercy even to its favorite child.And the Earth disappears into the Sun, and i'm afraid that's curtains for the Earth.
Our planet will be
engulfed1 by a ball of
fiery2 gases, never to be seen again, the star that created and
nurtured3 us will ultimately in its bloated old age destroy us, but while red giants bring annihilation, scientists have uncovered in them the beginning of another story, a story of creation that is about us as well as about the stars, they discovered that in the last stages of the battle between gravity and nuclear
fusion4, red giants generate two of the most abundant building blocks of the universe, and these vital elements are being built in the heart of the red giant.
About half a million years after the poor Earth has disappeared into the Sun, we get the temperature rising to the point where we can suddenly start helium fusion, and this is the next phase of the life of the star is a stage where helium is being fused in the core to produce carbon and oxygen.
Stars scientists discovered are just twinkling points of light, they are alchemists, creating the materials that
cosmos5 is made of.
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