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Geology
The science that comprises the study of the solid Earth and the processes by which it is shaped and changed.
Industry: Earth science
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Geology
Ground ice
Earth science; Geology
Wedge-shaped, foliated ice produced in permafrost, occurring as a vertical or inclined sheet, dike or vein tapering downward, and measuring form a few mm to as much as 6 metres wide and from 1 metre ...
Horn
Earth science; Geology
The sharp spire of rock formed as glaciers in several cirques erode into a central mountain peak.
Hornblende
Earth science; Geology
The most common mineral of the amphibole group (Ca,Na) 2-3 (Mg,Fe + 2 ,Fe +3 ,Al) 5 (Al, Si) 8 O 22 (OH) 2 . It has a variable composition, and may contain potassium and appreciable fluorine. It ...
Hubble Space Telescope (HST)
Earth science; Geology
A 98 inch, Earth orbiting reflecting space telescope which is equipped with infrared, x-ray and other electromagnetic sensors. Named after famous American astronomer, Edwin Hubble.
Sir William Herschel
Earth science; Geology
(1738-1822) British astronomer. He built a reflecting telescope of superior quality and with it discovered planet Uranus. He also discovered some of the satellites of Uranus and of Saturn.
Edmond Halley
Earth science; Geology
(1656-1742) English astronomer. In 1758, he accurately predicted the return of a comet previously observed in 1531, 1607, and 1682. The body was subsequently named Halley's Comet.
Ground water
Earth science; Geology
That part of the subsurface water that is in the zone of saturation, including underground streams. Loosely, all subsurface water as distinct from surface water.