All that carbon and oxygen — byproducts of the helium fusion process — build up in its core. At that point the star will shed its outer layers and the core will form a White Dwarf.
所有氦聚变中的附产物碳和氧在它的核心逐渐积聚,这期间它将失掉较外层物质,核心最终枯萎成为白矮星。
2
This white paper will be the first time we've set out our vision of an energy mix in the context of carbon budgets and climate change targets.
“这份白皮书将是英国首次针对二氧化碳预算和气候变化目标而制定英国未来的能源前景。”
3
And in 2004, they found that a white dwarf near the constellation Centaurus, BPM 37093, wasmade of crystallized carbon weighing 5 million trillion trillion pounds.