巨行星在太阳系原行星盘散开后不久就迁移了

IF 12.9 1区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Nature Astronomy Pub Date : 2024-08-15 DOI:10.1038/s41550-024-02341-5

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引用次数: 0

摘要

在太阳系历史的早期，包括木星和土星在内的巨行星在重力作用下迁移到围绕太阳的不同轨道上，造成了一个混乱和碰撞的时代。小行星中的放射性同位素记录了这些碰撞的热印记，现在对陨石的广泛调查将迁移的时间限制在太阳系形成后大约1100万年。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Giant planets migrated shortly after the Solar System’s protoplanetary disk dispersed

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Giant planets migrated shortly after the Solar System’s protoplanetary disk dispersed

Early in the history of the Solar System, the giant planets — including Jupiter and Saturn — migrated under gravity into different orbits around the Sun, causing an epoch of chaos and collisions. Radioactive isotopes in asteroids record the thermal imprint of these collisions, and a broad survey of meteorites now constrains the timing of the migration to approximately 11 million years after the Solar System formed.

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来源期刊

Nature Astronomy Physics and Astronomy-Astronomy and Astrophysics

CiteScore

19.50

自引率

2.80%

发文量

252

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