A source can be constituted-of-or-filled-with gravitational energy.Logical formLearned from2 sentences. Gravitational forces may disrupt some galaxies.Logical formLearned from2 sentences. A gravitational pull of a matter may squeeze gas.Logical formLearned from2 sentences. A system may produce gravitational waves.Logical formLearned from2 sentences. Observations may enable detection of gravitational waves.Logical formLearned from2 sentences. Gravitational waves can be exotic.Logical formLearned from2 sentences. A result can be constituted-of-or-filled-with gravitational attraction.Logical formLearned from2 sentences. Adjustments can be gravitational.Logical formLearned from2 sentences. Disturbances can be in gravitational fields.Logical formLearned from2 sentences. A gravitational pull may pertain-to a milky way.Logical formLearned from2 sentences. A gravitational attraction can be strong.Logical formLearned from2 sentences. A force can be a gravitational force.Logical formLearned from2 sentences. A gravitational pull can be from a planet.Logical formLearned from2 sentences. A gravitational pull can be from dark matter.Logical formLearned from2 sentences. Research can be in gravitational physics.Logical formLearned from2 sentences.