Multiple Choice
Why is the presence of massive stars in the Orion Nebula an indication that star formation is currently occurring?
A) The Orion Nebula contains large amounts of gas and dust.
B) Massive stars have short lives, so they must have formed recently.
C) Massive stars trigger star formation in nearby gas clouds.
D) The Orion Nebula contains large numbers of brown dwarfs and supernova remnants.
Correct Answer:

Verified
Correct Answer:
Verified
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