Flows in Hellas Planitia
NASA/JPL/University of Arizona
Flows in Hellas Planitia
ESP_025925_1420  Science Theme: Sedimentary/Layering Processes
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Hellas Planitia is the interior of the Hellas impact basin, is one of the largest visible impact craters in the Solar System. Hellas is located in the Southern highlands and formed very early in the planet's history. The floor of Hellas includes the lowest elevations on Mars and some of the strangest landscapes.

The most striking feature of this observation are the incredible banded features, probably due to the flow of surface material. Although Martian flow features may have Earth analogs such as rock glaciers, it's uncertain as to what types of fluvial, glacial and mass-wasting processes are involved in their formation.

Written by: HiRISE Science Team (audio by Tre Gibbs)  (18 July 2012)

This is a stereo pair with ESP_017644_1420.
 
Acquisition date
06 February 2012

Local Mars time
15:16

Latitude (centered)
-37.811°

Longitude (East)
56.768°

Spacecraft altitude
259.4 km (161.2 miles)

Original image scale range
53.1 cm/pixel (with 2 x 2 binning) so objects ~159 cm across are resolved

Map projected scale
50 cm/pixel and North is up

Map projection
Equirectangular

Emission angle
13.7°

Phase angle
68.5°

Solar incidence angle
76°, with the Sun about 14° above the horizon

Solar longitude
67.0°, Northern Spring

For non-map projected images
North azimuth:  97°
Sub-solar azimuth:  51.9°
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NASA/JPL/University of Arizona

POSTSCRIPT
NASA’s Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif., manages the Mars Reconnaissance Orbiter for NASA’s Science Mission Directorate, Washington. The HiRISE camera was built by Ball Aerospace and Technology Corporation and is operated by the University of Arizona.