The Lunan stony meteorite recovered from Yunnan Province is an ordinary chondrite of high-iron Hs type. Thirteen kinds of minerals have been identified, of which natural copper contains 88--96% Cu. Compared with other...The Lunan stony meteorite recovered from Yunnan Province is an ordinary chondrite of high-iron Hs type. Thirteen kinds of minerals have been identified, of which natural copper contains 88--96% Cu. Compared with other meteorites of the same type,the Lunan meteorite has mere FeO and Ni.展开更多
White-light flares (hereinafter called WLFs ) are defined as those flares that produce significant enhancement of emission-in the visible light continuum. Only about 60 WLFs have been observed as determined by white l...White-light flares (hereinafter called WLFs ) are defined as those flares that produce significant enhancement of emission-in the visible light continuum. Only about 60 WLFs have been observed as determined by white light, broad-band photographic or spectrographic obserations since Sep. 1, 1859. Among them, there are only a few spectral data by which some important parameters can be obtained. These data show that: (ⅰ) WLFs and展开更多
文摘The Lunan stony meteorite recovered from Yunnan Province is an ordinary chondrite of high-iron Hs type. Thirteen kinds of minerals have been identified, of which natural copper contains 88--96% Cu. Compared with other meteorites of the same type,the Lunan meteorite has mere FeO and Ni.
文摘White-light flares (hereinafter called WLFs ) are defined as those flares that produce significant enhancement of emission-in the visible light continuum. Only about 60 WLFs have been observed as determined by white light, broad-band photographic or spectrographic obserations since Sep. 1, 1859. Among them, there are only a few spectral data by which some important parameters can be obtained. These data show that: (ⅰ) WLFs and
