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Dark slope streak, the Glossary

Index Dark slope streak

Dark slope streaks are narrow, avalanche-like features common on dust-covered slopes in the equatorial regions of Mars.[1]

Table of Contents

  1. 61 relations: Adsorption, Albedo, Amazonis Planitia, Anastomosis, Antarctic, Apex (geometry), Arabia quadrangle, Arabia Terra, Arctic, Avalanche, Basalt, Bedrock, Brine, Carbon dioxide, Chloride, Classical albedo features on Mars, Clastic rock, Clay, Cynthia B. Phillips, Debris flow, Deposition (geology), Diacria quadrangle, Escarpment, Fluvial sediment processes, Geomorphology, Gravity current, Gullies on Mars, HiRISE, HiWish program, Impact crater, Loose snow avalanche, Mars, Mars Global Surveyor, Mars Orbiter Camera, Mars Reconnaissance Orbiter, Martian surface, Mass wasting, NASA, Normalization (image processing), Ochre, Olympus Mons, Percolation, Permafrost, Photometry (optics), Regolith, Sand, Schiaparelli (Martian crater), Seasonal flows on warm Martian slopes, Silt, Spring (hydrology), ... Expand index (11 more) »

  2. Geology of Mars

Adsorption

Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface.

See Dark slope streak and Adsorption

Albedo

Albedo is the fraction of sunlight that is diffusely reflected by a body.

See Dark slope streak and Albedo

Amazonis Planitia

Amazonis Planitia (Latin Amāzŏnis) is one of the smoothest plains on Mars.

See Dark slope streak and Amazonis Planitia

Anastomosis

An anastomosis (anastomoses) is a connection or opening between two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels, leaf veins, or streams.

See Dark slope streak and Anastomosis

Antarctic

The Antarctic (or, American English also or; commonly) is a polar region around Earth's South Pole, opposite the Arctic region around the North Pole.

See Dark slope streak and Antarctic

Apex (geometry)

In geometry, an apex (apices) is the vertex which is in some sense the "highest" of the figure to which it belongs.

See Dark slope streak and Apex (geometry)

Arabia quadrangle

The Arabia quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program.

See Dark slope streak and Arabia quadrangle

Arabia Terra

Arabia Terra is a large upland region in the north of Mars that lies mostly in the Arabia quadrangle, but a small part is in the Mare Acidalium quadrangle.

See Dark slope streak and Arabia Terra

Arctic

The Arctic is a polar region located at the northernmost part of Earth.

See Dark slope streak and Arctic

Avalanche

An avalanche is a rapid flow of snow down a slope, such as a hill or mountain.

See Dark slope streak and Avalanche

Basalt

Basalt is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon.

See Dark slope streak and Basalt

Bedrock

In geology, bedrock is solid rock that lies under loose material (regolith) within the crust of Earth or another terrestrial planet.

See Dark slope streak and Bedrock

Brine

Brine (or briny water) is water with a high-concentration solution of salt (typically sodium chloride or calcium chloride).

See Dark slope streak and Brine

Carbon dioxide

Carbon dioxide is a chemical compound with the chemical formula.

See Dark slope streak and Carbon dioxide

Chloride

The term chloride refers to a compound or molecule that contains either a chlorine ion, which is a negatively charged chlorine atom, or a non-charged chlorine atom covalently bonded to the rest of the molecule by a single bond.

See Dark slope streak and Chloride

Classical albedo features on Mars

The classical albedo features of Mars are the light and dark features that can be seen on the planet Mars through an Earth-based telescope.

See Dark slope streak and Classical albedo features on Mars

Clastic rock

Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock.

See Dark slope streak and Clastic rock

Clay

Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, Al2Si2O5(OH)4).

See Dark slope streak and Clay

Cynthia B. Phillips

Cynthia B. Phillips (born 1973) is an American planetary geologist who works for NASA at the Jet Propulsion Laboratory.

See Dark slope streak and Cynthia B. Phillips

Debris flow

Debris flows are geological phenomena in which water-laden masses of soil and fragmented rock flow down mountainsides, funnel into stream channels, entrain objects in their paths, and form thick, muddy deposits on valley floors.

See Dark slope streak and Debris flow

Deposition (geology)

Deposition is the geological process in which sediments, soil and rocks are added to a landform or landmass.

See Dark slope streak and Deposition (geology)

Diacria quadrangle

The Diacria quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program.

See Dark slope streak and Diacria quadrangle

Escarpment

An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations.

See Dark slope streak and Escarpment

Fluvial sediment processes

In geography and geology, fluvial sediment processes or fluvial sediment transport are associated with rivers and streams and the deposits and landforms created by sediments.

See Dark slope streak and Fluvial sediment processes

Geomorphology

Geomorphology (from Ancient Greek:,, 'earth';,, 'form'; and,, 'study') is the scientific study of the origin and evolution of topographic and bathymetric features generated by physical, chemical or biological processes operating at or near Earth's surface.

See Dark slope streak and Geomorphology

Gravity current

In fluid dynamics, a gravity current or density current is a primarily horizontal flow in a gravitational field that is driven by a density difference in a fluid or fluids and is constrained to flow horizontally by, for instance, a ceiling.

See Dark slope streak and Gravity current

Gullies on Mars

Martian gullies are small, incised networks of narrow channels and their associated downslope sediment deposits, found on the planet of Mars. Dark slope streak and gullies on Mars are geology of Mars.

See Dark slope streak and Gullies on Mars

HiRISE

High Resolution Imaging Science Experiment is a camera on board the Mars Reconnaissance Orbiter which has been orbiting and studying Mars since 2006.

See Dark slope streak and HiRISE

HiWish program

HiWish is a program created by NASA so that anyone can suggest a place for the HiRISE camera on the Mars Reconnaissance Orbiter to photograph.

See Dark slope streak and HiWish program

Impact crater

An impact crater is a depression in the surface of a solid astronomical body formed by the hypervelocity impact of a smaller object.

See Dark slope streak and Impact crater

Loose snow avalanche

A loose snow avalanche is an avalanche formed in snow with little internal cohesion among individual snow crystals.

See Dark slope streak and Loose snow avalanche

Mars

Mars is the fourth planet from the Sun.

See Dark slope streak and Mars

Mars Global Surveyor

Mars Global Surveyor (MGS) was an American robotic space probe developed by NASA's Jet Propulsion Laboratory and launched November 1996.

See Dark slope streak and Mars Global Surveyor

Mars Orbiter Camera

The Mars Orbiter Camera and Mars Observer Camera (MOC) were scientific instruments on board the Mars Observer and Mars Global Surveyor spacecraft.

See Dark slope streak and Mars Orbiter Camera

Mars Reconnaissance Orbiter

The Mars Reconnaissance Orbiter (MRO) is a spacecraft designed to search for the existence of water on Mars and provide support for missions to Mars, as part of NASA's Mars Exploration Program.

See Dark slope streak and Mars Reconnaissance Orbiter

Martian surface

The study of surface characteristics (or surface properties and processes) is a broad category of Mars science that examines the nature of the materials making up the Martian surface.

See Dark slope streak and Martian surface

Mass wasting

Mass wasting, also known as mass movement, is a general term for the movement of rock or soil down slopes under the force of gravity.

See Dark slope streak and Mass wasting

NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the U.S. federal government responsible for the civil space program, aeronautics research, and space research.

See Dark slope streak and NASA

Normalization (image processing)

In image processing, normalization is a process that changes the range of pixel intensity values.

See Dark slope streak and Normalization (image processing)

Ochre

Ochre, iron ochre, or ocher in American English, is a natural clay earth pigment, a mixture of ferric oxide and varying amounts of clay and sand.

See Dark slope streak and Ochre

Olympus Mons

Olympus Mons (Mount Olympus) is a large shield volcano on Mars.

See Dark slope streak and Olympus Mons

Percolation

In physics, chemistry, and materials science, percolation refers to the movement and filtering of fluids through porous materials.

See Dark slope streak and Percolation

Permafrost

Permafrost is soil or underwater sediment which continuously remains below for two years or more: the oldest permafrost had been continuously frozen for around 700,000 years.

See Dark slope streak and Permafrost

Photometry (optics)

Photometry is a branch of optics that deals with the measurement of light in terms of its perceived brightness to the human eye.

See Dark slope streak and Photometry (optics)

Regolith

Regolith is a blanket of unconsolidated, loose, heterogeneous superficial deposits covering solid rock.

See Dark slope streak and Regolith

Sand

Sand is a granular material composed of finely divided mineral particles.

See Dark slope streak and Sand

Schiaparelli (Martian crater)

Schiaparelli is an impact crater on Mars, located near the planet's equator at latitude 3° south and longitude 344° in the Sinus Sabaeus quadrangle.

See Dark slope streak and Schiaparelli (Martian crater)

Seasonal flows on warm Martian slopes

Seasonal flows on warm Martian slopes (also called recurring slope lineae, recurrent slope lineae and RSL) are thought to be salty water flows occurring during the warmest months on Mars, or alternatively, dry grains that "flow" downslope of at least 27 degrees. Dark slope streak and Seasonal flows on warm Martian slopes are surface features of Mars.

See Dark slope streak and Seasonal flows on warm Martian slopes

Silt

Silt is granular material of a size between sand and clay and composed mostly of broken grains of quartz.

See Dark slope streak and Silt

Spring (hydrology)

A spring is a natural exit point at which groundwater emerges from the aquifer and flows onto the top of the Earth's crust (pedosphere) to become surface water.

See Dark slope streak and Spring (hydrology)

Terrain

Terrain or relief (also topographical relief) involves the vertical and horizontal dimensions of land surface.

See Dark slope streak and Terrain

Tharsis

Tharsis is a vast volcanic plateau centered near the equator in the western hemisphere of Mars. Dark slope streak and Tharsis are surface features of Mars.

See Dark slope streak and Tharsis

Thermal Emission Imaging System

The Thermal Emission Imaging System (THEMIS) is a camera on board the 2001 Mars Odyssey orbiter.

See Dark slope streak and Thermal Emission Imaging System

Topography

Topography is the study of the forms and features of land surfaces.

See Dark slope streak and Topography

Triple point

In thermodynamics, the triple point of a substance is the temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium.

See Dark slope streak and Triple point

Viking program

The Viking program consisted of a pair of identical American space probes, Viking 1 and Viking 2, which landed on Mars in 1976.

See Dark slope streak and Viking program

Volatile (astrogeology)

Volatiles are the group of chemical elements and chemical compounds that can be readily vaporized.

See Dark slope streak and Volatile (astrogeology)

Volumetric heat capacity

The volumetric heat capacity of a material is the heat capacity of a sample of the substance divided by the volume of the sample.

See Dark slope streak and Volumetric heat capacity

Water table

The water table is the upper surface of the zone of saturation.

See Dark slope streak and Water table

Wired (magazine)

Wired (stylized in all caps) is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.

See Dark slope streak and Wired (magazine)

2001 Mars Odyssey

2001 Mars Odyssey is a robotic spacecraft orbiting the planet Mars.

See Dark slope streak and 2001 Mars Odyssey

See also

Geology of Mars

References

[1] https://en.wikipedia.org/wiki/Dark_slope_streak

Also known as Dark Slope Streaks.

, Terrain, Tharsis, Thermal Emission Imaging System, Topography, Triple point, Viking program, Volatile (astrogeology), Volumetric heat capacity, Water table, Wired (magazine), 2001 Mars Odyssey.