Up on the battlements once again, Ned searched the sea horizon at the entrance with the perspective glass.

Then there was a sea horizon ahead - a horizon on which the merchant ships were bunched.

She flicked through the different angles they covered, from the sea horizon and the coastline, to the slate-gray sky.

Sinclair pointed out to the sea horizon, where letters stood as tall a buildings.

To achieve a fix, more than one celestial body and the sea horizon must be visible.

The angle between the sea horizon and the celestial body is measured with a sextant and the time noted.

Visibility was poor because the moon had already set, leaving no ambient light and no visible sea horizon.

A white line marked the entire sea horizon.

But as the helicopter drew closer and the outline sharpened against the sea horizon, this resemblance gradually fell away.

The house was incredible, looking out on and being looked in at by sea horizon and reddish rock.