Multiple Choice
Why is it relatively difficult to observe details on the surface of Mercury from Earth?
A) The surface of Mercury is always completely covered in clouds.
B) The surface of Mercury appears very bright from reflected ultraviolet sunlight and emitted infrared radiation from its very hot surface.
C) Mercury is a small object that always appears close to the Sun in the sky.
D) Mercury's orbit always keeps it on the opposite side of the Sun from Earth.
Correct Answer:
Verified
Correct Answer:
Verified
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