subsurface

The goal of Japan’s Hayabusa2 mission was to collect at least 100 milligrams of both surface and subsurface material, and send it back to Earth.

Chang’e 5 is expected to begin drilling into the lunar ground for subsurface samples almost immediately.

Over the last few years, scientists have begun testing the effectiveness of these dark fibers as inexpensive, dense seismic arrays — which researchers call DAS — to help monitor earthquakes and create fine-scale images of the subsurface.

Like Europa, Enceladus is an ice-covered moon with a subsurface ocean of liquid water.

“The subsurface structure at Chang’e-4’s landing site is more complex,” Su says.

There was a vast amount of whisper and low-toned wordiness, subsurface complaint and counter-complaint.

They are supplied by a large storage battery, which consumes no air and forms the motive power during subsurface navigation.

Watching the cellar excavation for unexpected subsurface water is also an item that no experienced architect neglects.

A subsurface drain, some fifty feet long and connected with the gutter of an intersecting road, took care of the lawn.

The effect in a given region depends to a large degree on local surface and subsurface geologic conditions.