ESA,2012.10.18---Harry J. Lehto:太陽系的形成

ESA,2012.10.18---Harry J. Lehto:太陽系的形成 Formation of the Solar System Evolution of the universe predates both the chemical evolution and the evolution of life. In this lecture, Harry J. Lehto, Professor in the Dept of Physics and Astronomy in the University of Turku, Finland, summarises the origin of the critical elements for life, the CHNOPS, and the initial formation of molecules. From cosmological models we can understand the origin of hydrogen and helium. Later hydrogen will be required when water is formed. Helium, which appears quite useless for life, turns out to be a critical factor in the synthesis of carbon leading to heavier elements. The second compound of water, oxygen, is formed in the hot cores of stars. Once these elements get from the stars back into the cool interstellar space they begin forming interstellar clouds, where a vast spectrum of molecules is formed. 太陽系的形成 宇宙的演變早的化學演化與生命進化的。在本次講座中，哈里·J.·萊赫托，在芬蘭土爾庫大學的物理系和天文學教授，總結的起源，生命的關鍵要素，CHNOPS，初步形成分子。 從宇宙學模型，我們可以理解的原產地是氫和氦。購買時將需要的水形成氫。氦，這似乎相當無用的生活，將是一個關鍵的因素，導致更重的元素碳的合成。第二化合物的水，氧，形成在熱芯分。 一旦這些元素從星星進入涼爽的星際空間，他們開始形成，形成一個巨大的分子光譜的星際雲