One shows the remains of a dying star four thousand light years away which has thrown off a cloud of glowing hydrogen gas.

VOA: special.2009.09.30

Stardust passed through a cloud of material surrounding comet Wild Two in January of two thousand four.

VOA: special.2009.09.30

A large fire then broke out, engulfing several shops and spewing a cloud of gray smoke over the area.

VOA: standard.2009.10.28

Up the road came the sound of creaking wheels and then, a slow cloud of dust.

VOA: special.2009.11.14

Air traffic over much of Europe came to a halt for six days because of the huge cloud of ash from a volcano in Iceland.

VOA: special.2010.04.23

When the storm ended, the crew of the Flying Cloud could see the very southern coast of South America a place called Tierra del Fuego.

VOA: special.2009.12.23

A tornado is a violently turning tube of air suspended from a thick cloud.

VOA: special.2009.06.09

When the storm ended, the crew of the Flying Cloud could see the very southern coast of South America -- a place called Tierra del Fuego.

VOA: special.2011.07.06

A big cloud of smoke rose high in the air over Fort Sumter.

VOA: special.2009.08.13

The Flying Cloud was a new kind of ship.

VOA: special.2009.12.23

Macpherson says there is also no way of knowing whether there could be another eruption that could cause a similar ash cloud.

VOA: standard.2010.04.15

The skies above large parts of Europe were empty for a second day Friday, as air safety authorities warned that the cloud of ash from Iceland's volcano is spreading.

VOA: standard.2010.04.16

The volcano has sent a massive cloud of microscopic ash particles swirling across northern Europe - particles that air specialists say are highly abrasive and could cause aircraft engines to fail.

VOA: standard.2010.04.16

It shows a man at a typewriter and above his head, taking up more than half of the canvas and appearing in a purple cloud, is frontiersman Daniel Boone, wearing his coonskin cap and carrying his long rifle.

VOA: standard.2010.08.09