High above, the entire sky had become black, and currents of air were beginning to surge.

There was no moon, but the stars filled the entire sky.

With it the researchers will be able to scan the entire northern sky in about a year.

This took photographic plates in blue light of the entire southern sky.

Behind, the entire sky was dark with the storm they had left on the other side of the mountains.

Beyond it, the entire sky seemed filled with dim images of many more.

This represents an area only 1/3600th of the entire sky.

Instead, the entire sky has the same temperature, a volume 10 times larger.

The instrument could cover the entire accessible dark sky in about a month.

Why couldn't there have been heavy dark cloud covering the entire sky?