planetary small bodies

行星小天体

• 批准号: 1000221865-2010
• 负责人: Brown, Peter
• 金额: $ 14.57万
• 依托单位: University of Western Ontario
• 依托单位国家: 加拿大
• 项目类别: Canada Research Chairs
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=642858
• 关键词: planetary; small; bodies

Meteoroids are debris from the most primitive small bodies in the solar system, comets and asteroids. By studying the physical structure and composition of meteoroids we gain insight into the early formation stages of the solar system. The bombardment of the early Earth by meteoroids is widely believed to have delivered a substantial portion of our planet's volatile inventory and may also have played a significant role in the emergence of life through delivery and generation of complex organic compounds. Meteoroid impacts are also a major hazard to spacecraft; the proposed research program will study the number, type and origin of meteoroids to gain insight into all of these issues.

流星体是太阳系中最原始的小天体、彗星和小行星的碎片。通过研究流星体的物理结构和组成，我们可以深入了解太阳系的早期形成阶段。人们普遍认为，流星体对早期地球的轰击传递了我们星球上相当一部分易挥发的库存，并且可能通过传递和生成复杂的有机化合物，在生命的出现中发挥了重要作用。流星体撞击也是航天器的一大危险；拟议的研究计划将研究流星体的数量、类型和起源，以深入了解所有这些问题。