The astronomers say the distortions produced by MACS 1206 is evidence that the galaxies are largely 'made' of dark matter.
天文学家说由1206号卫星导致的光线扭曲是非常明显的,而且银河系大部分都是由暗物质构成的。
The distortions shown in the images would be far weaker if the only mass in MACS 1206 was the mass of the stars and planets we can see.
在图中看到的扭曲实际更弱,除非1206号卫星上看到的大量的星星和行星是我们能看到的。
CLASH uses the Advanced Camera for Surveys and the Wide Field Camera 3, the CLASH survey to covers a broad wavelength range, from ultraviolet to near infrared.
另一组研究员用像是广角相机类的先进的相机进行调查,其调查覆盖的波长范围广泛,从紫外线到近红外线。
Astronomers need the diverse colors to estimate the distances to lensed galaxies and study them in more detail.
天文学家需要不同的颜色来拍摄于星系的距离估计并研究他们的更多细节。
These maps are being used to test previous results that suggest that dark matter is more densely packed inside clusters than some models predict.
这些图片将会用来测试是否如之前模型所预测的一样,暗物质在某些星系集群里密度更大。
MACS 1206 lies 4.5 billion light-years from Earth.
1206号卫星距地球有45亿光年远。
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