1869 the recent total eclie of the sun近期的全食 spectroscopic observations of the sun观测太阳光谱 spectroscopic observations of the sun观测太阳光谱 1870 are any of the nebulae star-systems?所有的星云都是恒星系统吗? where are the nebulae?星云在哪里? the physical constitution of the sun关于太阳的物质组成 spectroscopic observations of the sun观测太阳光谱 the source of solar energy太阳能量的来源 the source of solar energy太阳能量的来源 the source of solar energy太阳能量的来源 the ing transits of venus即将到来的金星凌 fuel of the sun太阳的燃料 1872 periodicity of sun-spots太阳黑子的周期 1930 the conneon of mass with luminosity for stars恒星的质量与发光度之间的关系 discovery of a trans-neptunian pla发现海外行星 lowells prediction of a trans-neptunian pla洛威尔对海外行星的预言 stellar structure and the origin of stellar energy恒星的结构和恒星能量的起源 1931 stellar structure and the origin of stellar energy恒星的构造和恒星能量的起源 stellar structure恒星的构造 stellar structure恒星的构造 stellar structure恒星的构造 the end of the world: from the standpoint of mathematical physics以数学物理的视角看宇宙的终点 …… 1932 1934 1935 1939 1940 1945 1956 1963 1965 1966 1968 1969 1971 1972
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