An understanding of the stellarenergy 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。
2
One danger is from unpredictable and potentially deadly solar flares, giant releases of stellarenergy 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。
3
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.