1.   A billion stars shone in the night sky.

2.   A flash of lightning lit up the night sky.

3.   A lightning storm lit up the night sky.

4.   A seemingly endless supply of fireworks lit up the clear night sky.

5.   A shooting star sped across the night sky.

6.   A slender new crescent moon lay on its back high in the clear night sky.

7.   A sudden boom followed in its wake, a new parachute flare splitting the night sky - a red target flare.

8.   Above the village, almost invisible against the velvet shroud of the night sky, something huge silently blotted out the stars.

9.   But more telescopes are needed to provide continuous coverage of the night sky at all latitudes.

10.   Even Orion stands on his head in the night sky.