Loading...

Glossary term: 不規則星系

Description: 不規則星系是一種對稱性很低或不對稱的星系(其具有扭曲的形態或形狀)。它們通常比螺旋星系和橢圓星系小,通常含有大量的恆星形成氣體。大麥哲倫星雲和小麥哲倫星雲是不規則星系,距離我們的銀河系相對較近(分別約為 16 萬光年和 20 萬光年),可以在地球南半球用肉眼觀測到。

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".