In fact, the sky has no color. Then why does the sky look blue?

事实上，天空没有颜色。那为什么天空看起来是蓝色的呢？

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When the planetarium sky matched the sky outside, the birds fluttered in the direction of their normal migration.

当天文馆的天空与外面的天空相匹配时，鸟儿们就朝着它们正常迁徙的方向飞翔。

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We reclined in the wooden amphitheatre for an awe-inspiring "tour" of the night sky in this dark sky preserve.

在这个天空幽暗的保护区里，我们倚靠在木制的圆形剧场里观赏令人敬畏的星空。

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The first sign of trouble was a tiny burst of light in the western sky over the United States.

VOA: special.2009.07.22

That water is separated, that bubble has opened up so we've got the sky created And we've got the waters collected in certain areas down here, And we've got sky.

水流被分开，形成了水泡,我们便有了天空,在那里某些地方也有一些水流汇集，我们便有了天空。

耶鲁公开课 - 旧约导论课程节选

I speak in a figurative way about the relationship between the earth and the sky, and I believe that there's a sky god.

我用一种修辞法,来说天地关系，我相信有一个天神。

耶鲁公开课 - 文学理论导论课程节选

If skies are clear, individuals can view the conjunction by looking at the Moon and finding the brightest star in the sky next to the Moon, which will be Jupiter.

ENGADGET: PSA: Slooh's Space Camera broadcasting Moon / Jupiter conjunction right now

White apple blossoms had begun to appear in the old tree, and I read the pale light in the sky as the shy illumination of a world to which I had yet to be introduced.

NEWYORKER: Wakefield

The Chinese believed that the rising of Arcturus, the fourth-brightest star in the sky, caused spring to burst forth, while the Egyptians thought that the appearance of Sirius, the brightest star in the sky, brought about the annual flooding of the Nile.

ECONOMIST: The Star of Bethlehem