An asteroid belt can be at some kilometers.Logical formLearned from2 sentences. Borders may pertain-to an asteroid belt.Logical formLearned from2 sentences. (Position observations) can be asteroid.Logical formLearned from2 sentences. An asteroid impact may wipe_out dinosaurs.Logical formLearned from2 sentences. Asteroid impacts can be in a forecast.Logical formLearned from2 sentences. Regions may pertain-to a main asteroid belt.Logical formLearned from2 sentences. Illustrations may show an asteroid impact.Logical formLearned from2 sentences. (Map displays) can be asteroid.Logical formLearned from2 sentences. A mid-point may pertain-to an asteroid belt.Logical formLearned from2 sentences. Somebody may express fear by asteroid impact.Logical formLearned from2 sentences. A (position uncertainty ellipse) can be asteroid.Logical formLearned from2 sentences. An asteroid impact can be at a boundary.Logical formLearned from2 sentences. Evidence can be for asteroid impact.Logical formLearned from2 sentences. Persons can be on a subject of asteroid impacts.Logical formLearned from2 sentences. An asteroid belt can be as a whole.Logical formLearned from2 sentences.