<ul data-eligibleForWebStory="false"><li>Accounting for planetary density variations is crucial for simulating the gravitational field accurately.</li><li>Scientists use a Brillouin sphere to model Earth's irregular shape and its gravitational field.</li><li>A study by Ohio State University and the University of Connecticut found errors in using spherical harmonic expansion inside the Brillouin sphere.</li><li>The research offers insights for developing a more precise mathematical framework to model gravity incorporating density variations.</li></ul>

Accounting for planetary density variations helps simulate the gravitational field

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