Observations of a bright blue compact reflection nebula in Perseus
对英仙座一个亮蓝致密反射星云的观测
this suggestively shaped reflection nebula is associated with the bright star rigel in the constellation orion.
这形状奇怪的反射星云位于猎户座内,与明亮的参宿七有联系。
some nebulae are made up of both reflection and emission components such as the trifid nebula.
有些星云是由反射星云和发射星云结合在一起的,例如三裂星云。
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