The Visual Pink Glow of the Great Nebula in Orion

question 19

Multiple Choice

The visual pink glow of the Great Nebula in Orion

• A)is a Herbig-Haro object.
• B)is a reflection nebula of dust.
• C)is an emission nebula of thin gas.
• D)contains only young low mass stars.
• E)is believed to be about 5 billion years old.

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