'Sky' in the Bible

"Ask the wild animals, and they'll teach you; the birds of the sky will tell you.

Though he grow as tall as the sky, or though his head touches the clouds,

For he looks as far as the ends of the earth and sees everything under the sky.

who teaches us more than the earth's wild animals, and makes us wiser than the birds of the sky?'

He releases his lightning throughout the sky, to the ends of the earth.

"So then, the sun is too bright to gaze at, is it not? The sky is swept clean by the wind that blows, is it not?

Whose womb brings forth the ice? Who gives birth to frost out of an empty sky,