A gravitational potential energy can be equal to a thermal energy.Logical formLearned from2 sentences. An (equilibrium shape) can be gravitational.Logical formLearned from2 sentences. A contact can be gravitational.Logical formLearned from2 sentences. A search can be for gravitational lenses.Logical formLearned from2 sentences. A gravitational lens may be discovered.Logical formLearned from2 sentences. A gravitational field can be uneven.Logical formLearned from2 sentences. A gravitational attraction may pertain-to planets.Logical formLearned from2 sentences. A zone can be gravitational.Logical formLearned from2 sentences. An (energy source) of objects can be a gravitational contraction.Logical formLearned from2 sentences. An acceleration. can be gravitational.Logical formLearned from2 sentences. (Radiation observatories) can be gravitational.Logical formLearned from2 sentences. (Neutron star mergers) may create amounts of gravitational radiation.Logical formLearned from2 sentences. A (slingshot trajectory) can be gravitational.Logical formLearned from2 sentences. A gravitational acceleration can be at poles.Logical formLearned from2 sentences. A gravitational interaction can be significant.Logical formLearned from2 sentences.