Multiple Choice
In 2004,an object designated 2M1207b was directly imaged orbiting the brown dwarf 2M1207.The object,however,has not been designated a planet because it:
A) does not have enough gravity to form a spherical shape.
B) does not clear its orbit of debris.
C) does not orbit a star.
D) is smaller than Mercury.
Correct Answer:
Verified
Correct Answer:
Verified
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