There are flying birds in the sky.
No clouds were in the sky.
Before astronomers had telescopes, they could only use quadrants to map objects in the sky.
The sky is waiting for sunset.
Mount Etna has erupted, sending lava and ash plumes into the Sicilian sky.
Some clouds can be seen in the sky.
The sky is clear. Lots of stars are scattered across it.
The sky is obscure, I can see no star.
The sky was all covered with clouds.
This happened in autumn. Light gray clouds covered the sky.
The sky was gray all morning.
The sky was so starry, so bright that, looking at it, one could not help asking oneself whether ill-humoured and capricious people could live under such a sky.
There are so many stars in the sky that I can't count them all.
I think that whoever created the universe, a hole in the sky above him, too, had no idea what is the "universe".
He loved looking at grey sky with the sun peeking through the thick clouds.
Today I feel higher than the mountains. Today I want to touch the sky.
The sky cleared up.
Stars twinkled in the sky.
Tom didn't have the courage to try sky diving.
Light blue is the color of the sky and, consequently, is also the color of the sea, lakes, and rivers.
