Multiple Choice
What makes the subject of star formation so difficult and complex?
A) It is so slow that no visible proof of it exists.
B) Star formation is too expensive to study in detail.
C) Stars live too long to be observed from birth to death.
D) Clouds, fragments, protostars, stars, and nebulae all interact and influence each other.
E) Shock waves disrupt the orderly evolution of stars.
Correct Answer:

Verified
Correct Answer:
Verified
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