This nebula is a bubble, and it's a bubble because intense blasts of stellar wind and radiation for a nearby star have cut through the dust and hollowed out the middle.

此星云呈泡沫状，之所以如此，是因为附近一颗恒星发生剧烈爆炸，产生的辐射和恒星风从尘埃云中间穿过，掏空了中间部位。

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The molecules emit the infrared light that they have absorbed ultraviolet radiation from the star or have been heated by the wind from the star.

氢分子发出红外线的原因是它们吸收了恒星发出的紫外线，或者是受到了恒星喷发的炽热气体流的加热。

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I am no more lonely than the Millbrook, or a weathercock, or the north star, or the south wind, or an April shower, or a January thaw, or the first spider in a new house.

比想密尔溪，风标，北极星，南风，四月春雨，正月融雪，或者新房中的第一只蜘蛛，我也并不更加孤单。

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In the next century or two, it seems likely we will switch from wind to fusion to the dilithium crystals of Star Trek, and these turbines may lose their purpose as well.

NPR: Power Structures Shape Northwest Landscape

Setting out on an ocean voyage, with water in gourds and pounded tubers tied up in leaves, he would point his canoe into the right slant of wind, and then along a path between a rising star and an opposite, setting one.

ECONOMIST: Mau Piailug