天文,观测星云,我们得到星云是哪种光谱?What type of spectrum would you expect to see from the glowing parts of the nebula?Why?

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天文,观测星云,我们得到星云是哪种光谱?What type of spectrum would you expect to see from the glowing parts of the nebula?Why?

天文,观测星云,我们得到星云是哪种光谱?What type of spectrum would you expect to see from the glowing parts of the nebula?Why?
天文,观测星云,我们得到星云是哪种光谱?
What type of spectrum would you expect to see from the glowing parts of the nebula?Why?

天文,观测星云,我们得到星云是哪种光谱?What type of spectrum would you expect to see from the glowing parts of the nebula?Why?
H alpha (approximate wavelenth 600nm) usually has the high intensity due to the emission of Hydrogen atoms in nebula.
note:H alpha is in the region of visible light,about red light.
the question is little tricky to answer,cuz different nebula has different property.

h型

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