The rotation periods of Venus, Jupiter, Saturn, Uranus and Neptune are difficult to determinebecause:
A)they rotate so fast.
B)they are all gas giants.
C)they are so far away from the Sun.
D)their surface features are obscured by their atmospheres.
E)each one has a large satellite that interferes with this measurement.

Question

Quizplus · Accepted Answer

The surface features of these planets are obscured by their thick atmospheres, making it difficult to determine their rotation periods. The surface features of these planets are obscured by their thick atmospheres, making it difficult to determine their rotation periods based on visual observations.

The Rotation Periods of Venus, Jupiter, Saturn, Uranus and Neptune