Fig. 2

Stability domains against rotational breakup of P9 shown in the radius-rotational period plane for tensile strengths between 1 and 100 GPa and bulk densities 800 and 2500 kg m-3. Separation lines of 1 GPa (red), 10 GPa (geen), and 100 GPa (green) are indicated. The locations of Uranus (U) and Neptune (N) are also shown for comparison.
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