An understanding of the stellar energy sources is still more vital for the problem of stellar evolution.

弄清恒星的能源对恒星演化的研究是更为关键的问题。

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One danger is from unpredictable and potentially deadly solar flares, giant releases of stellar energy that would bombard the craft with radiation and fry its occupants.

危险之一来自不可预定和可能的致命的太阳耀斑，恒星能量的巨大释放将用射线炸毁飞船并且烧焦乘客。

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For decades astronomers have suspected the existence of a type of stellar explosion that is bigger still-a "pair-instability" supernova, with 100 times more energy than an ordinary supernova.

数十年来，天文学家们一度怀疑一种更寂静的恒星爆炸的存在——称之为“对不稳定”超新星，其能量超过普通超新星100倍。

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John Melo is the CEO of Amyris and has a stellar 20-year background in the energy industry.

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That, along with high energy prices, rising interest rates and less than stellar job growth, has created fears that the U.S. economy is heading toward a watered-down version of the stagflation of the 1970s.

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