A (spacecraft design) may pertain-to a planet.Logical formLearned from3 sentences. Spacecraft may land on a planet.Logical formLearned from3 sentences. A government-agency may land a spacecraft.Logical formLearned from3 sentences. A spacecraft can be available.Logical formLearned from3 sentences. Spacecraft may develop a system.Logical formLearned from3 sentences. Spacecraft may find an opposite.Logical formLearned from3 sentences. An airtight seal can be between a spacecraft.Logical formLearned from3 sentences. Images may be returned by spacecraft.Logical formLearned from3 sentences. Spacecraft may stay in contact.Logical formLearned from3 sentences. Engineers can be on spacecraft.Logical formLearned from3 sentences. Solar flares may interfere with spacecraft.Logical formLearned from3 sentences. Some manner can be constituted-of-or-filled-with spacecraft.Logical formLearned from3 sentences. A spacecraft can be legendary.Logical formLearned from3 sentences. A spacecraft may defy actuarial tables.Logical formLearned from3 sentences. An (imaging spectrometer) may pertain-to a spacecraft.Logical formLearned from3 sentences.