该网页展示了一系列相关链接，如植物巨体化石数据搜索引擎和北美植物巨体化石数据库等。
The page presents a set of related links such as Plant Macrofossil Data Search Engine and North American Plant Macrofossil Database etc.
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.
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