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。
It's a gas giant planet also called Osiris, and it's orbiting so close to its star that some of its atmosphere gets blown away by the stellar wind.
它是颗气态大行星，也叫“欧西·里斯”星。它的运行轨迹过于接近其恒星，致使它的部分大气层被恒星吹起。
Its strong stellar wind precedes it, compressing and heating the dusty interstellar material and shaping the curved shock front.
强烈的恒星风压缩加热了星际尘埃，并在前方形成弧形的震荡波。
The symbiotic binary is a special system, consisting of a hot early type star and a cool late type supergiant with strong stellar wind, which forms an expanding envelope.
共生星双星是一颗有强大星风物质损失的红巨星与一颗早型热星组成的特殊双星系统。
The symbiotic binary is a special system, consisting of a hot early type star and a cool late type supergiant with strong stellar wind, which forms an expanding envelope.
共生星双星是一颗有强大星风物质损失的红巨星与一颗早型热星组成的特殊双星系统。
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