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Chapter 12: Problem 22

If Jupiter does not have any observable solid surface and its atmosphere rotates differentially, how are astronomers able to determine the planet's internal rotation rate?

Short Answer

Expert verified
Astronomers determine Jupiter's internal rotation rate through the observe the patterns and movement of clouds in Jupiter's atmosphere and analysis of magnetic field measurements.

Step by step solution

01

Understanding differential rotation and its implications

Jupiter, one of the gas giants in our solar system, exhibits differential rotation. This means that different parts of the planet rotate at different speeds. Because of this, traditional methods used to determine the rotation of solid bodies through direct observation cannot be applied to Jupiter. This requires a different approach.
02

Observation of cloud patterns

Astronomers can observe the patterns and movement of clouds in Jupiter's atmosphere. By tracking these cloud movements, they can determine the planet's zonal wind profile, i.e., the speed and direction of its atmospheric winds. This provides hints towards the internal rotation.
03

Analysis of magnetic field measurements

Another method used is examining the planet's magnetic field. This field is generated deep inside Jupiter by its internal rotation. Therefore, by studying the magnetic field's periodic variations, the internal rotation rate can be determined.

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Most popular questions from this chapter

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