Description: 吸積是天體在引力作用下吸引其他物質（通常是氣體或塵埃）的過程。吸積發生在許多不同的天文場景中，包括（但不限於）：黑洞吸積氣體、雙星系統中的主星吸積其伴星物質、年輕的恆星吸積其周圍物質盤中的氣體，以及星系吸積其他星系的恆星。

Related Terms:

• 活動星系核
• 雙星
• 黑洞
• 原恆星
• 吸積盤
• 激變變星

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

This is an automated transliteration of the simplified Chinese translation of this term

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".