研究这些恒星的化学组成有助于科学家了解组成我们地球和其他行星的物质，很久以前是怎样离开恒星的诞生地(到达我们太阳原始星云)的。
Studying the chemistry of the stars helps scientists learn how the matter that makes up our earth and other planets in our galaxy left its stellar birth places long ago.
研究这些恒星的化学组成有助于科学家了解组成我们地球和其他行星的物质，很久以前是怎样离开恒星的诞生地(到达我们太阳原始星云)的。
Studying the chemistry of the stars helps scientists learn how the matter that makes up our earth and other planets in our galaxy left its stellar birth places long ago.
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