Perseid showers indicate a relationship between the frequency of occurrence of the oxygen line and solar activity. In 1969-70, near sunspot maximum, the strength of this so-called auroral green line is greatest near shower maximum, as though the nature... Evolutionary and Physical Properties of Meteoroids: The Proceedings of the ... - الصفحة 141 المحررون: - 1973 - عدد الصفحات: 378 عرض كامل -
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