Multiple Choice
Brown dwarfs are ____.
A) stars with a very thick dust sphere around them, so they appear "brown"
B) low mass M type stars with hundreds of planets
C) an anomaly because they are extremely small but have relatively high temperature
D) protostars that could not ignite the fusion of hydrogen at their core
E) has a surface temperature of 2500 K by fusing hydrogen
Correct Answer:

Verified
Correct Answer:
Verified
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