Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Geology

tektites

Earth science; Geology

Small, rounded pieces of silicate glass, thought to have become airborne during terrestrial impact events.

terminator

Earth science; Geology

The line separating the illuminated and unilluminated parts of a celestial body; the dividing line between day and night as observed from a distance.

terrestrial

Earth science; Geology

Belonging to the class of planets that are similar to the Earth in density and composition (i.e. Mercury, Venus, and Mars).

tesserae

Earth science; Geology

Tesserae terrain on Venus, which was first detected by the Soviet Venera 15 and 16 spacecraft in the early 1980s, is characterized by complex intersecting ridges and grooves. This ...

tetrahedral

Earth science; Geology

A crystal form in the isometric system, having four faces each with equal intercepts on all three axes.

tharsis uplift

Earth science; Geology

The Tharsis region on Mars is at the center of a huge bulge in the surface that is over 4000 km across and 10 km high. Huge shield volcanoes dominate the Tharsis region, including ...