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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 
spicules
Earth science; Geology
A narrow jet of gas that is part of the chromosphere of the Sun and extends upward into the corona.
spin-orbit coupling
Earth science; Geology
For many decades, scientists thought the same side of Mercury always faced the Sun. But in 1965, astronomers discovered that Mercury completes three full turns on its axis for ...
orbital resonance
Earth science; Geology
For many decades, scientists thought the same side of Mercury always faced the Sun. But in 1965, astronomers discovered that Mercury completes three full turns on its axis for ...
spokes
Earth science; Geology
Faint, dark areas perpendicular to the rings that seem to grow and shrink on Saturn. Little is known about the spokes, but they may be charged particles that float above the ...
stable platform
Earth science; Geology
The part of a continent that is covered by flat-lying or gently tilted sedimentary rocks, underlain by a complex of rocks that were consolidated during earlier deformations. The ...
stony
Earth science; Geology
A general name for meteorites consisting largely or entirely of silicate minerals (chiefly olivine, pyroxene and plagioclase). Stony meteorites resemble ultramafic rocks in ...
stony-irons
Earth science; Geology
As their name implies, the stony-irons are comprised of differentiated igneous silicates plus iron and nickel metal. They are fairly rare (~1% of falls and ~5% of finds) and thus ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)