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Collection:
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NASA Planetary Photo Journal Collection
Collection
NASA Planetary Photo Journal Collection
Collection
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Title:
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Upper Surface of Icy Layers Covering Mars' South Polar Region
Title
Upper Surface of Icy Layers Covering Mars' South Polar Region
Title
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Original Caption Released with Image:
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Annotated Version
This map shows the topography of the south polar region of Mars. The data were collected by the Mars Orbiter Laser Altimeter aboard NASA's Mars Global Surveyor orbiter between 1997 and 2001. The elevation of the terrain is shown by colors, with purple and blue representing the lowest areas, and orange and red the highest. The total range of elevation shown is about 5 kilometers (3 miles). The black line shows the boundary of the south polar layered deposits, an ice-rich geologic unit that was probed by the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) aboard the European Space Agency's Mars Express orbiter.
The radar data indicate that the deposit is more than 3.7 kilometers (2.3 miles) thick in places, and that the material consists of nearly pure water ice, with only a small component of dust. The MARSIS team also determined that the total volume of ice in the layered deposits is equivalent to a water layer 11 meters (36 feet) deep, if spread evenly across the planet. The boundary of the layered deposits was mapped by scientists from the U.S. Geological Survey. The dark circle in the upper center is the area poleward of 87 degrees south latitude, where MARSIS data cannot be collected. The image covers an area 1,670 by 1,800 kilometers (1,035 by 1,115 miles).
MARSIS is an instrument on the European Space Agency's Mars Express orbiter. NASA and the Italian Space Agency jointly funded the instrument. The Mars Orbiter Laser Altimeter flew on NASA's Mars Global Surveyor orbiter.
Original_Caption_Rel eased_with_Image
Annotated Version
This map shows the topography of the south polar region of Mars. The data were collected by the Mars Orbiter Laser Altimeter aboard NASA's Mars Global Surveyor orbiter between 1997 and 2001. The elevation of the terrain is shown by colors, with purple and blue representing the lowest areas, and orange and red the highest. The total range of elevation shown is about 5 kilometers (3 miles). The black line shows the boundary of the south polar layered deposits, an ice-rich geologic unit that was probed by the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) aboard the European Space Agency's Mars Express orbiter.
The radar data indicate that the deposit is more than 3.7 kilometers (2.3 miles) thick in places, and that the material consists of nearly pure water ice, with only a small component of dust. The MARSIS team also determined that the total volume of ice in the layered deposits is equivalent to a water layer 11 meters (36 feet) deep, if spread evenly across the planet. The boundary of the layered deposits was mapped by scientists from the U.S. Geological Survey. The dark circle in the upper center is the area poleward of 87 degrees south latitude, where MARSIS data cannot be collected. The image covers an area 1,670 by 1,800 kilometers (1,035 by 1,115 miles).
MARSIS is an instrument on the European Space Agency's Mars Express orbiter. NASA and the Italian Space Agency jointly funded the instrument. The Mars Orbiter Laser Altimeter flew on NASA's Mars Global Surveyor orbiter.
Original Caption Released with Image
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Image Credit:
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NASA/JPL/ASI/ESA/Uni v. of Rome/MOLA Science Team/USGS
Image_Credit
NASA/JPL/ASI/ESA/Uni v. of Rome/MOLA Science Team/USGS
Image Credit
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Produced By:
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JPL
Produced_By
JPL
Produced By
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Mission:
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Mars Global Surveyor (MGS)
Mission
Mars Global Surveyor (MGS)
Mission
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Mission:
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Mars Express (MEX)
Mission
Mars Express (MEX)
Mission
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Spacecraft:
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Mars Global Surveyor Orbiter
Spacecraft
Mars Global Surveyor Orbiter
Spacecraft
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Spacecraft:
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Mars Express Orbiter
Spacecraft
Mars Express Orbiter
Spacecraft
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Target Name:
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Mars
Target_Name
Mars
Target Name
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Is a satellite of:
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Sol (our sun)
Is_a_satellite_of
Sol (our sun)
Is a satellite of
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Instrument:
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MOLA
Instrument
MOLA
Instrument
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Instrument:
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MARSIS
Instrument
MARSIS
Instrument
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Product Size:
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2369 samples x 2558 lines
Product_Size
2369 samples x 2558 lines
Product Size
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facet_what:
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Sun
facet_what
Sun
facet_what
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facet_what:
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Polar
facet_what
Polar
facet_what
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facet_what:
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Mars
facet_what
Mars
facet_what
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facet_what:
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Altimeter
facet_what
Altimeter
facet_what
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facet_what:
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Surveyor
facet_what
Surveyor
facet_what
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facet_what:
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Mars Express
facet_what
Mars Express
facet_what
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facet_what:
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MARSIS
facet_what
MARSIS
facet_what
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facet_what:
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MEX
facet_what
MEX
facet_what
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facet_what:
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Mars Advanced Radar for Subsurface and Ionospheric Sounding
facet_what
Mars Advanced Radar for Subsurface and Ionospheric Sounding
facet_what
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facet_what:
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Mars Global Surveyor Orbiter (MGS)
facet_what
Mars Global Surveyor Orbiter (MGS)
facet_what
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facet_what:
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Mars Orbiter Laser Altimeter (MOLA)
facet_what
Mars Orbiter Laser Altimeter (MOLA)
facet_what
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facet_where:
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Mars
facet_where
Mars
facet_where
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facet_where:
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Rome
facet_where
Rome
facet_where
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facet_where:
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Jet Propulsion Laboratory (JPL)
facet_where
Jet Propulsion Laboratory (JPL)
facet_where
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facet_where:
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Goddard Space Flight Center (GSFC)
facet_where
Goddard Space Flight Center (GSFC)
facet_where
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Image #:
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PIA09226
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UID:
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SPD-PHOTJ-PIA09226
UID
SPD-PHOTJ-PIA09226
UID
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orignial url:
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orignial_url
orignial url
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