snail-shaped nebula [天] 蜗牛状星云
socket-shaped nebula [天] 盒状星云
fan-shaped nebula [天] 扇状星云
comet-shaped nebula [天] 彗状星云
funnel-shaped nebula 漏斗状星云
Z-shaped nebula Z形星云
Why then would the gas that is streaming away create an ant-shaped nebula that is distinctly not round?
为什么气体流走时创造了一个蚂蚁形状的星云而明显不是圆形？
The beautiful hourglass-shaped nebula Sharpless 2-106 shines with brilliant colors in this new image from the Gemini North telescope.
在这张双子座北座望远镜拍摄的新照片中，壮丽的沙漏状星云Sharpless 2 - 106闪烁着明艳的色彩。
The sands of time are running out for the central star of this hourglass-shaped planetary nebula.
在这一酷似沙漏形状的星云内，“时间之沙”即将从中央星之中流逝殆尽。
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