The first two are clear skies and a large mass of hot air.

Now the fire fed on the larger mass behind them.

There's not another star that close, and unlikely to be a large mass.

Because of their large mass, they would be relatively slow moving and therefore cold.

The larger mass of oil has not yet reached the shore, officials in Washington said.

Well, what would be the effect of placing a large mass just over a particular point on the Earth's surface.

Just because nothing could stop a large mass, however, didn't mean that the small entities within it couldn't be stopped.

If a large critical mass is needed for the system to work a big bang strategy might seem the answer.

The second we can only manage in a large mass of uranium.

During the minute or so that we could see some detail, a large black mass moved south across the ice.