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土卫六大气层的组成与化学

The Composition and Chemistry of Titan's Atmosphere.

作者信息

Nixon Conor A

机构信息

Planetary Systems Laboratory, NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, Maryland 20771, United States.

出版信息

ACS Earth Space Chem. 2024 Feb 29;8(3):406-456. doi: 10.1021/acsearthspacechem.2c00041. eCollection 2024 Mar 21.

DOI:10.1021/acsearthspacechem.2c00041
PMID:38533193
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10961852/
Abstract

In this review I summarize the current state of knowledge about the composition of Titan's atmosphere and our current understanding of the suggested chemistry that leads to that observed composition. I begin with our present knowledge of the atmospheric composition, garnered from a variety of measurements including -, the , and other ground- and space-based telescopes. This review focuses on the typical vertical profiles of gases at low latitudes rather than global and temporal variations. The main body of the review presents a chemical description of how complex molecules are believed to arise from simpler species, considering all known "stable" molecules-those that have been uniquely identified in the neutral atmosphere. The last section of the review is devoted to the gaps in our present knowledge of Titan's chemical composition and how further work may fill those gaps.

摘要

在这篇综述中，我总结了关于土卫六大气层成分的当前知识状态，以及我们目前对导致该观测成分的推测化学过程的理解。我首先介绍我们目前对大气成分的了解，这些了解来自包括……、……以及其他地基和天基望远镜在内的各种测量。本综述重点关注低纬度地区气体的典型垂直分布，而非全球和时间变化。综述的主体部分对复杂分子如何被认为是由更简单的物种产生进行了化学描述，考虑了所有已知的“稳定”分子——即在中性大气中被独特识别的那些分子。综述的最后一部分专门讨论了我们目前对土卫六化学成分认识中的空白，以及进一步的研究如何填补这些空白。

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