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The Red Emission (Bright Region at the Top) in the Figure

Question 80

Multiple Choice

The red emission (bright region at the top) in the figure shown below is due to The red emission (bright region at the top) in the figure shown below is due to A) carbon monoxide (CO) . B) warm, neutral hydrogen. C) molecular hydrogen (H<sub>2</sub>) . D) ionized hydrogen (H II region) . E) dust.


A) carbon monoxide (CO) .
B) warm, neutral hydrogen.
C) molecular hydrogen (H2) .
D) ionized hydrogen (H II region) .
E) dust.

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