- 矮螺旋星系
- 矮旋渦星系
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dwarf spiral galaxy中文什么意思
例句與用法
- Dwarf spiral galaxy
矮旋渦星系
百科釋義
A dwarf spiral galaxy is the dwarf version of a spiral galaxy. Dwarf galaxies are characterized as having low luminosities, small diameters (less than 5 kpc), low surface brightnesses, and low hydrogen masses.
詳細(xì)百科解釋