经斯皮策卫星的红外之眼，这个优美的涡旋星系显出精细的彩色效果。
When viewed with Spitzer's infrared eyes, this elegant spiral galaxy sparkles with color and detail.
NGC 2976不像典型的涡旋星系：它有一个星暴盘，但看不到旋臂；
NGC 2976 does not look like a typical spiral galaxy. It has a star-forming disk, but no obvious spiral pattern.
遍及宇宙的星系因星暴现象(疯狂诞生恒星的现象)而闪耀，但在我们附近的小型涡旋星系中，星暴盛宴已经快结束了。
Galaxies throughout the universe are ablaze with star birth. But for a nearby, small spiral galaxy, the star-making party is almost over.
NGC 1427a是个典型的矮星系、不规则星系，它们的外形不规则，并且光度比规则星系(涡旋星系、椭圆星系)小。
NGC 1427a is an example of a dwarf irregular galaxy, a type of galaxy that is significantly less bright than regular galaxies and characterised by a peculiar shape.
科学家们补充说，星系的暗物质晕可能会影响到星系自身的演化过程并决定星系的形态——椭圆状或者是涡旋状。
The behavior of a galaxy's dark matter halo could affect its evolution and help determine whether it becomes a spiral or an elliptical, they added.
这一新模型可以粗略地得到现今存在的椭圆状星系和涡旋状星系的正确数目。
The new supercomputer model was able to predict roughly the right relative numbers of spirals and ellipticals that exist today.
这一新模型可以粗略地得到现今存在的椭圆状星系和涡旋状星系的正确数目。
The new supercomputer model was able to predict roughly the right relative numbers of spirals and ellipticals that exist today.
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