A student builds a model of the solar system using foam balls of different sizes and places them at varying distances from a central lamp representing the Sun. What is the primary scientific purpose of this type of model?
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A
To prove that the Sun is the center of the solar system.
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B
To help visualize and understand the relative sizes and positions of celestial bodies.
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C
To perfectly replicate every detail of the solar system.
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D
To calculate the exact gravitational forces between the planets.