光学望远镜在数角秒内就能获取一张星空图—至少比肉眼能获取的大60倍。

Visible light telescopes can resolve a piece of sky just a few arc seconds across — at least 60 times a smaller patch of sky than can be resolved with the human eye.

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火星与明亮的蓝色恒星醒目的颜色对比用肉眼很容易辨认，而这张图用了滤色镜更增强了这种对比。

The marked color contrast between Mars and the bright blue star was easy to discern by eye, but is further enhanced in the picture through the use of a diffusion filter.

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艺术家罗伯特·赫特博士和蒂姆·派尔将斯皮策太空望远镜观测的科学数据转化为视觉效果图，但其所表现的对象没办法用肉眼直接看到。

Spitzer artists Dr. Robert Hurt and Tim Pyle turn the space observatory's streams of scientific data into visual renderings of objects no one - not even them - has ever seen before.

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