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26.09.2008
HRSC Press Release #405 - Mangala Fossae (orbit 4117)
]')) Perspektive #2 |
On 21 March 2007 the High-Resolution Stereo Camera (HRSC), under the leadership of the Principal Investigator Prof. Dr. Gerhard Neukum of Freie Universitaet Berlin, onboard the ESA spacecraft Mars Express obtained image data in orbit 4117 with a ground resolution of approximately 13 meters per pixel. The data were acquired in the region of the Mangala Fossae trough at approximately 17° southern latitude and 213° eastern longitude.
]')) Farbkodiertes Höhenmodell |
Mangala Valles, an approximately 1000 kilometers long system of outflow channels, is located south-west of the volcanic region Tharsis with the highest known volcano in our solar system, Olympus Mons.
]')) Kontextkarte |
The large outflow channels on Mars were most likely formed by catastrophic flooding events during which large amounts of water were mobilized in the underground. Uprising magma in the Mangala Fossa region probably melted the frozen groundwater and caused enormous amounts of water to discharge. The images show a section at the southern end of the Mangala Fossa region, a trough system and probably the head water region of Mangala Valles.
]')) Lagekarte der beschriebenen geologischen Strukturen |
]')) Nadiraufnahme #1 |
The western part of the region is remarkably smooth and exhibits just a few, very small impact craters, larger impact crater are absent. This might be an indication for relatively recent resurfacing by probably basaltic lava (1). The lava flows most likely originated in the Tharsis Region located in the east of Mangala Fossae. Very sharp edges of the up to 100 meters thick lava blanket are visible in some places (2).
]')) RGB Farbbild #1 |
The flanks of two, about 30 kilometers large impact craters were eroded during the flooding events. Later they were partly filled with lava (3) which indicates that the craters are older than the channel system and the lava blanket.
]')) Perspektive #1 |
The upper left part of the image exhibits numerous stringed, funnel shaped depressions lined up parallel to the slope inclination (4). These features most likely formed when the surface material collapsed into vugs which formed in the underground after material was removed.
]')) Rot-Cyan Anaglyphe #1 |
The colour scenes have been derived from the three HRSC-colour channels and the nadir channel. The perspective views have been calculated from the digital terrain model derived from the stereo channels. The anaglyph image was calculated from the nadir and one stereo channel. The black and white high resolution images were derived from the nadir channel which provides the highest detail of all channels.
Das Kameraexperiment HRSC auf der Mission Mars Express der
Europäischen Weltraumorganisation ESA wird vom Principal Investigator Prof. Dr.
Gerhard Neukum (Freie Universität Berlin), der auch die technische Konzeption der
hochauflösenden Stereokamera entworfen hatte, geleitet. Das
Wissenschaftsteam besteht aus 40 Co-Investigatoren aus 33 Institutionen und zehn
Nationen. Die Kamera wurde am Deutschen Zentrum für Luft- und Raumfahrt (DLR) unter der
Leitung des Principal Investigators (PI) G. Neukum entwickelt und in Kooperation mit
industriellen Partnern gebaut (EADS Astrium, Lewicki Microelectronic GmbH und Jena
-Optronik GmbH). Sie wird vom DLR -Institut für Planetenforschung in Berlin-Adlershof
betrieben. Die systematische Prozessierung der Daten erfolgt am DLR. Die Darstellungen
wurden vom Institut für Geologische Wissenschaften der FU Berlin in Zusammenarbeit
mit dem DLR-Institut für Planetenforschung erstellt.
The High Resolution Stereo Camera (HRSC) experiment on the ESA Mars Express Mission is led by the
Principal Investigator (PI) Prof. Dr. Gerhard Neukum who also designed the camera technically. The
science team of the experiment consists of 40 Co-Investigators from 33 institutions and 10 nations.
The camera was developed at the German
Aerospace Center (DLR) under
the leadership of the PI G. Neukum and built in cooperation with industrial partners (EADS
Astrium, Lewicki Microelectronic GmbH and Jena-Optronik GmbH). The experiment on Mars Express
is operated by the DLR Institute of Planetary Research, through ESA/ESOC. The systematic
processing of the HRSC image data is carried out at DLR. The scenes shown here were created
by the PI-group at the Institute for Geological Sciences of the Freie Universitaet Berlin in
cooperation with the German Aerospace Center (DLR), Institute of Planetary Research, Berlin.
Download
hochaufgelöste Bilddaten / high resolution image data
| Kontextkarte: |
| Farbkodiertes Höhenmodell: |
| Lagekarte der beschriebenen geologischen Strukturen: |
| Nadiraufnahme #1: |
| RGB Farbbild #1: |
| Rot-Cyan Anaglyphe #1: |
| Perspektive #1: |
| Perspektive #2: |
© Copyright: ESA/DLR/FU Berlin (G. Neukum)
