Gravitational fields may pertain-to planets.Logical formLearned from4 sentences. Tides may be caused by a gravitational pull of the moon.Logical formLearned from4 sentences. A magnification can be gravitational.Logical formLearned from4 sentences. A magnitude may pertain-to a gravitational force.Logical formLearned from4 sentences. Structures can be gravitational.Logical formLearned from4 sentences. Variables can be gravitational.Logical formLearned from4 sentences. An evolution can be gravitational.Logical formLearned from4 sentences. A (radiation emission) can be gravitational.Logical formLearned from4 sentences. Terms can be gravitational.Logical formLearned from4 sentences. Objects can be with a gravitational field.Logical formLearned from4 sentences. Gravitational waves can be strong.Logical formLearned from4 sentences. A might can be gravitational.Logical formLearned from4 sentences. (Field lines) can be gravitational.Logical formLearned from4 sentences. Gravitational pulls can be strong.Logical formLearned from4 sentences. A gravitational attraction can be between some objects.Logical formLearned from4 sentences.