The sun can be behind a spacecraft.Logical formLearned from3 sentences. An image may be acquired by a spacecraft.Logical formLearned from3 sentences. Characteristics may be inferred from (gravity field) by a spacecraft.Logical formLearned from3 sentences. A smear can be due to (spacecraft motion).Logical formLearned from3 sentences. Images may be took with a (spacecraft narrow-angle camera).Logical formLearned from3 sentences. A spacecraft may obtain images.Logical formLearned from3 sentences. A range may pertain-to a spacecraft.Logical formLearned from3 sentences. A spacecraft can be to a surface.Logical formLearned from3 sentences. An (imaging system) can be on a spacecraft.Logical formLearned from3 sentences. Channels may pertain-to a (spacecraft camera).Logical formLearned from3 sentences. A (spacecraft wide-angle camera) may use filters.Logical formLearned from3 sentences. Gaps may be fill_ined by a spacecraft.Logical formLearned from3 sentences. A spacecraft may make a final approach.Logical formLearned from3 sentences. Images may be obtained by an (orbiter spacecraft).Logical formLearned from3 sentences. An (orbiter spacecraft bus) may pertain-to a government-agency.Logical formLearned from3 sentences.