年初，美国宇航局(NASA)的太阳动力学观测卫星捕捉到太阳上磁场等离子体巨蛇般的卷须状物，它沿太阳表面绵延数十万英里。
Earlier this year, NASA's Solar Dynamics Observatory caught a glimpse of a huge snakelike tendril of magnetic plasma on the sun, extending hundreds of thousands of miles across the surface.
面纱星云本身是一个巨大的超新星遗迹，这是巨恒星濒死时爆炸产生的残骸云体，正在不断扩张。
The Veil Nebula itself is a large supernova remnant, the expanding debris cloud from the death explosion of a massive star.
分析山东昌乐与碱性玄武岩有关的刚玉巨晶不同部位的常量元素、稀土元素及包裹体组成。
The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in Changle, Shandong Province, are analyzed.
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