椭球星系
- 网络elliptical galaxy
椭球星系-
具局部各向同性速度分布的旋转椭球星系的长期演化
On the long-term evolution of spheroidal galaxies with locally isotropic velocity distribution
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它之所以属于螺旋星系范畴，是因为相对于那些更趋近于球体（或椭球）的星系来说，它的主要部分更平。
It remains in the spiral category because of the flatness of the main disk of stars as opposed to the more spherically rotund ( or ellipsoidal ) class of galaxies called " ellipticals " .