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Module 3: Orbits and
Systems
TESTING BODE'S RULE
There is a relationship of the distances
of planets from our Sun, usually called "Bode's Rule". You
can read the details at the Bode's
Rule Site . We will test this to
see how good it is as a model.
As a group, test Bode's Rule using the
moons of one of the gas giant planets of our solar system.
- Choose one of the outer
planets
- Determine the orbital distance of 6 -
8 of its moons
- Select one of the moons to determine
the standard AU for that system
- Apply the mathematical pattern to
determine if the planetary system you choose follows the
pattern.
In your groups, discuss:
- How well does Bode's Rule work for
our Solar System? How well does it work for the spacing
of moon and ring systems around planets? Quanitatively
and qualitatively?
- Are there any exceptions or
"anomalies"?
- How good is this as a model? Does it
help us understand the underlying science of planetary
spacing? Can it make accurate predictions?
- What factors effect the result of
your investigation?
- Does it work for other stellar
systems?
Individually, submit the results of your
group's investigtaion and summarize your group discussion
into a few statements or paragraphs and submit it to the
Module 3 Homework folder.
To return to Module 3 Page, click
here:

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Montana State University
last updated 2/10/02
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