The moon is likely to be made of water ice.

However it is now thought that both poles are made mostly of water ice.

The next few hours were spent cutting blocks of water ice.

This can be explained by the presence of water ice.

Scientists have long known that the bright side is largely covered with water ice.

This process is expected to have created a body consisting mainly of water ice.

The clouds around him were water ice, a hint of blue to them.

The current was very strong and the water ice cold, flowing as it did straight from the mountains.

It is made mostly out of water ice which reflects light very well.

The water ice, surely, has boiled off into space by now.