This left a smoother and noticeably lighter area upon which the artists worked.

This lack of action is important to prevent smooth areas from becoming speckled.

A straight smooth area of rock on a level with his own head and shoulders seemed ideal.

"A couple meters more to the right, and we might have had a smoother area to land."

The first images revealed a diverse geology, with both rough and smooth areas.

He pointed out a smooth area of dished and worn stone near the side wall.

They are elongated and are often found on smooth area of Mars.

Scotty, can you scan ahead for any sort of smooth area?

Rogor stopped the beam and pushed the machine to the opposite side of the smooth area.

Look at this smooth area on every page, always in the same place along the edge.