A formula_6 can be gravitational.Logical formLearned from2 sentences. A result may pertain-to a gravitational interaction.Logical formLearned from2 sentences. Antimatter may have gravitational mass.Logical formLearned from2 sentences. Neutrons may be balanced against gravitational collapse by (degeneracy pressure).Logical formLearned from2 sentences. A gravitational interaction may be described.Logical formLearned from2 sentences. A contribution can be gravitational.Logical formLearned from2 sentences. A gravitational interaction can be between planets.Logical formLearned from2 sentences. A gravitational attraction may pertain-to outer planets.Logical formLearned from2 sentences. Gravitational radiation may be produced.Logical formLearned from2 sentences. A gravitational force can be on some observers.Logical formLearned from2 sentences. A gravitational field may be generated by a mass.Logical formLearned from2 sentences. A (settling velocity) can be gravitational.Logical formLearned from2 sentences. Solutions can be gravitational.Logical formLearned from2 sentences. A gravitational attraction may pertain-to a (field energy).Logical formLearned from2 sentences. Gravitational forces can be important.Logical formLearned from2 sentences.