椭圆星系（elliptical galaxies）： 它们看起来都很相似，显示不出任何结构；在天球上成圆形或椭圆形。
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dwarf elliptical galaxies 矮椭圆星系
Spiral and Elliptical Galaxies 螺旋星系和椭圆星系
But elliptical galaxies seem to be simpler.
但椭圆星系似乎更简单。
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Still, elliptical galaxies can be very large.
但椭圆星系可以非常巨大。
Elliptical galaxies are shaped as their name suggests.
椭圆星系的形状正如它们的名字所述。
Their strange shapes are different from the spiral and elliptical galaxies we see today.
BBC: NEWS | Science/Nature | Hubble sees the faintest galaxies
There are spiral galaxies, like our own Milky Way, and then there are elliptical galaxies, sort of football or rugby ball shaped.
NPR: What Makes Our Solar System Special?
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