猎户座大星云To the eye (through a telescope),much of the Orion Nebula looks like a glowing cloud of gas.What type of spectrum would you expect to see from the glowing parts of the nebula?Why?

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猎户座大星云Totheeye(throughatelescope),muchoftheOrionNebulalookslikeaglowingcloudofgas.Whattypeofspectrum

猎户座大星云To the eye (through a telescope),much of the Orion Nebula looks like a glowing cloud of gas.What type of spectrum would you expect to see from the glowing parts of the nebula?Why?
猎户座大星云
To the eye (through a telescope),much of the Orion Nebula looks like a glowing cloud of gas.
What type of spectrum would you expect to see from the glowing parts of the nebula?Why?

猎户座大星云To the eye (through a telescope),much of the Orion Nebula looks like a glowing cloud of gas.What type of spectrum would you expect to see from the glowing parts of the nebula?Why?
猎户座星云是猎户星协的核心,在星云的附近有许多恒星组成一个银河星团,称为猎户座星云星团,著名的“猎户座四边形”聚星就位于星云之中.在猎户座星云星团和猎户座四边形中,有许多表面温度高达几万度的O型和早B型的热星,它们发出的强烈的紫外辐射使星云受到激发而产生辐射,因此星云的光谱主要是发射线.

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