Finally, a collision between two spherical bubbles results in a circular feature, so we have a specific shape to look for as well.

To the right of the quarry is another circular feature which appears to be structural.

The second photograph shows the western end of the site where the second circular feature is located.

Sizes of circular features are indicated using either diametral or radial dimensions.

Hey, most of those circular features are overgrown.

We typically think of a cone of depression as being a circular feature surrounding the pumped well.

A wide circular feature toward the equator may be a crater.

In astronomy, a patera is a shallow circular feature on the surface of a planet or similar body.

Murphy was standing near a tall circular feature in the battered hull, waving them over.

The surviving rim is a slender, circular feature with some erosion along the southeastern edge.