在平流层尘埃颗粒中的高贵气体:证实了外星起源.

B Hudson, G J Flynn, P Fraundorf

Science (New York, N.Y.)

|January 23, 1981

概括

对平流层尘埃颗粒的高贵气体分析揭示了太阳中和的比例. 然而,这些混凝土粒子中的却显示出主导的行星起源,其度与碳状混凝土中的度相美.

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科学领域:

分析宇宙尘埃的方法
贵重气体地化学贵重气体地化学
星球科学星球科学

背景情况:

高层层尘埃粒子提供了对外星物质的洞察力.
贵族气体 (,,) 是太阳系起源的关键标志物.
合金粒子是原始的太阳系材料.

研究的目的:

为了确定高贵气体元素和同位素的比率在chondritic平流层尘埃.
为了研究这些粒子中的贵重气体的起源.
将发现与已知的石和太阳组成进行比较.

主要方法:

测量贵重气体的元素和同位素比率.
分析了13个"象形状"的平流层尘埃颗粒.
与太阳和石贵重气体数据进行比较.

主要成果:

和呈现出太阳的比例.
克森的组成主要受到行星来源的影响.
的度接近于碳酸的高贵气体丰富残留物中发现的度.

结论:

层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层层

高离子度表明行星储备的重要贡献.

这些发现增强了我们对早期太阳系中贵重气体分布的理解.

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科学领域:

背景情况:

研究的目的:

主要方法:

主要成果:

结论: