A science may be returned by a spacecraft.Logical formLearned from4 sentences. A spacecraft may maneuver itself.Logical formLearned from4 sentences. A (data recorder) may pertain-to a spacecraft.Logical formLearned from4 sentences. A spacecraft can be on a doorstep of a planet.Logical formLearned from4 sentences. Some spacecraft may be scheduled for launch.Logical formLearned from4 sentences. An impact may pertain-to a spacecraft.Logical formLearned from4 sentences. A spacecraft may return humans to the moon.Logical formLearned from4 sentences. A picture may be took by a spacecraft.Logical formLearned from4 sentences. A clock may pertain-to a spacecraft.Logical formLearned from4 sentences. Spacecraft can be small.Logical formLearned from4 sentences. A command may pertain-to a spacecraft.Logical formLearned from4 sentences. Some (reaction wheels) may be required for a spacecraft.Logical formLearned from4 sentences. A spacecraft may have a mass of some kgs.Logical formLearned from4 sentences. Transmission can be to a spacecraft.Logical formLearned from4 sentences. A spacecraft can be with some instruments.Logical formLearned from4 sentences.