The main difference between Bright and Dark Nebulae is___________ .
A) the composition of their dust
B) their proximity to a black hole
C) the composition of their gases
D) their proximity to a blue star
E) none of the above

Question

Quizplus · Accepted Answer

Bright nebulae are illuminated by nearby stars, often blue stars, while dark nebulae do not have nearby stars to illuminate them, making them appear dark.

The Main Difference Between Bright and Dark Nebulae Is___________