An instrument can be for a spacecraft.Logical formLearned from3 sentences. Detectors can be on spacecraft.Logical formLearned from3 sentences. A precursor can be to spacecraft.Logical formLearned from3 sentences. A spacecraft may make progress.Logical formLearned from3 sentences. A spacecraft may observe equatorial regions.Logical formLearned from3 sentences. A spacecraft may send a signal.Logical formLearned from3 sentences. Consumers can be constituted-of-or-filled-with spacecraft.Logical formLearned from3 sentences. A spacecraft may change position.Logical formLearned from3 sentences. A number of (spacecraft components) can be powered-on.Logical formLearned from3 sentences. An array can be constituted-of-or-filled-with spacecraft.Logical formLearned from3 sentences. A spacecraft can be in an environment.Logical formLearned from3 sentences. A spacecraft can be brave.Logical formLearned from3 sentences. A (spacecraft program) may pertain-to a planet.Logical formLearned from3 sentences. Materials may be used in spacecraft.Logical formLearned from3 sentences. A spacecraft can be cosmic.Logical formLearned from3 sentences.