Read Edit View history 谱斑 pǔbān plage, flocculus Origin Definitions Defs Strokes Stroke Words Sentences Sents 谱斑 譜斑 pǔbān plage, flocculus Bright clouds of calcium gas in the sun's chromosphere, often appearing around sunspots; the size of these areas is an indicator of solar activity. Frequency Written text 0.008 per million Sources Frequency data BCC Corpus (BLCU)
谱斑 譜斑 pǔbān plage, flocculus Bright clouds of calcium gas in the sun's chromosphere, often appearing around sunspots; the size of these areas is an indicator of solar activity. Frequency Written text 0.008 per million Sources Frequency data BCC Corpus (BLCU)