Stay with the frost line and you won't be seen.

Kepler-9b and 9c are thought to have formed beyond the "frost line".

Frost line, the teaching programs would have called it, but Destiny never got that cold.

Basically they can live at the temperature of the ground below the frost line.

Its depth should be six to eight inches below the local frost line.

The distance from the die is called the height of the frost line.

Jemmy was at the frost line when lights came on above him.

They overwinter below the frost line and return to the surface in the spring.

Also, avoid packages that are above the frost line in the store's freezer.

The term is borrowed from the notion of "frost line" in soil science.

Many others burrow deep into the soil or head for the bottom of a lake, below the frost line.

From the foothills to the frost line, all green.

In colder climates, the foundation must be below the frost line.

The simple rock foundation does not even go below the frost line; yet the building remains structurally sound after more than 175 years.

When they dig through the frost line with the backhoe to open up a grave.

She could sense the earthworms, which had migrated below the frost line.

They crawled along the slope at the frost line.

The frost line is a term used in plastic film manufacturing by extrusion.

The notion is important, since the higher the frost line, the more difficult to control the uniformity of the film thickness.

Theorists believe it is no accident that Jupiter lies just beyond the frost line.

"They would freeze if their burrows were not below the frost line," the scientist said.

The depth of frost lines vary from region to region.

It is recommended that the basement walls be insulated to the frost line.

Planetesimals beyond the frost line accumulated up to four Earth masses within about 3 million years.

It must be below the frost line, and have a breeze and a bloom.

Bizarre and ancient life forms in the freezing depths of the world's deepest lake.

We dance into the Atlantic breakers, willing warmth out of their freezing depths.

And even here, once night falls, the temperature drops to such freezing depths that none of your people could possibly survive."

They morph seals to escape them, but are attacked by orcas in the freezing depths.

The freezing depths stole her breath.

He rolled away, swearing a litany as he hauled his soaked leg from the freezing depths.

It overwinters in terrestrial habitat, using old burrows or cavities created by rotting roots, below the freezing depth.

In the next instant, I was pulled down into the freezing depths of the underground lake, and I let out almost all of my breath with shock.

Alternatively, in Arctic and Antarctic locations the freezing depth is so deep that it becomes year-round permafrost, and the term "thaw depth" is used instead.

It is purely by chance that the inflatable raft landed face up, rather than face down, in the freezing depths of this ocean, in the nether region of a whale.

In August 2012 Russia's state-owned nuclear corporation, Rosatom, signed a contract to begin construction on what will be the world's largest nuclear icebreaker, a "universal" vessel that could navigate both shallower rivers and the freezing depths of the Arctic.

During his first winter back in Zurich, Max had donned a wetsuit, broken the ice on Schloss Kappel's lake and dived obsessively into its freezing depths, believing that if he went deep enough he could somehow turn back time and save his mother.