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词条 吸积
描述: 吸积是天体在引力作用下吸引其他物质（通常是气体或尘埃）的过程。吸积发生在许多不同的天文场景中，包括（但不限于）：黑洞吸积气体、双星系统中的主星吸积其伴星物质、年轻的恒星吸积其周围物质盘中的气体，以及星系吸积其他星系的恒星。
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词条和定义状态： 该术语的英文原始定义已通过天文研究人员和教师的审核 该术语及其定义的译文仍待审核
The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".
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