Solar cells can be improved.Logical formLearned from6 sentences. (Irradiance data) can be solar.Logical formLearned from6 sentences. A comet may approach an inner solar system.Logical formLearned from6 sentences. A phase can be solar.Logical formLearned from6 sentences. A (particle acceleration) can be solar.Logical formLearned from6 sentences. Levels can be solar.Logical formLearned from6 sentences. A solar energy can be residential.Logical formLearned from6 sentences. A (resource fraction) can be solar.Logical formLearned from6 sentences. Applications can be in solar power.Logical formLearned from6 sentences. Solar cells can be competitive.Logical formLearned from6 sentences. An order may be established in a motion of bodies of a solar system.Logical formLearned from6 sentences. A solar disk can be winged.Logical formLearned from6 sentences. A decontamination can be solar.Logical formLearned from6 sentences. A usage can be solar.Logical formLearned from6 sentences. Regions may pertain-to a solar nebula.Logical formLearned from6 sentences.