A third receiver observed the horizon to veto signals of obvious terrestrial origin.

The formation is of terrestrial origin and is entirely devoid of fossils.

They are best known as the source of the oldest material of terrestrial origin found to date: zircons that formed around 4.4 billion years ago.

It was found that most of the organic matter in the meteorite was of terrestrial origin.

Reith had decided that the less attention drawn to himself the better; he would say no more of his terrestrial origin.

Am I right in believing these are of terrestrial origin, and if so, how long do they survive in an aquatic environment?

For example, it was found that most of the organic matter in the meteorite was of terrestrial origin.

The one to the right led to a large supply hall in which five deactivated robots of terrestrial origin were standing.

Mitchell's water monitor preys on smaller animals of both terrestrial and aquatic origin.

Furthermore, pollution of marine or terrestrial origin is increasingly contaminating soil and drinking water resources.