Glossary term: 星系棒
Description: 許多螺旋星系的中心區域都存在一個棒狀結構。星系中心的大部分恆星、氣體和塵埃都沿著這條筆直的棒狀結構分布。星系的旋臂從這條棒狀結構的外邊緣開始。帶有棒狀結構的螺旋星系被稱為棒旋星系。銀河系被認為是一個棒旋星系。
Related Terms:
See this term in other languages
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".
