A star can be in a solar system.Logical formLearned from7 sentences. Alternative-energy sources can be solar.Logical formLearned from7 sentences. (Renewable fuels) can be solar.Logical formLearned from7 sentences. Digital images may be powered by a solar cell.Logical formLearned from7 sentences. A rotary joint may control solar wings.Logical formLearned from7 sentences. Solar panels may be turned toward the sun.Logical formLearned from7 sentences. A rotary joint may turn a set of solar wings.Logical formLearned from7 sentences. Solar panels may be fold_uped.Logical formLearned from7 sentences. Solar wings may act_up.Logical formLearned from7 sentences. Solar wings may exhibit spikes.Logical formLearned from7 sentences. A male may note a use of solar energy.Logical formLearned from7 sentences. Solar panels may unfold.Logical formLearned from7 sentences. A segment may include a pair of solar arrays.Logical formLearned from7 sentences. An (equipment company) can be solar.Logical formLearned from7 sentences. Solar arrays may provide a quarter of power.Logical formLearned from7 sentences.