Difference between revisions of "The beauty of Mars from 150 miles"

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This article will show some beautiful scenes of Mars from about 150 miles above the surface.  The pictures were taken by [[HiRISE]] that orbits Mars. the colors are from a central strip in each of the images.  The colors are processed to bring out more information about the minerals on the surface.  They are not exactly what we would see with just our eyes.  Some incorporate an infrared band which humans can't see.
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This article will show some beautiful scenes of Mars from about 150 miles above the surface.  The pictures were taken by the [[High Resolution Imaging Science Experiment (HiRISE)]] that orbits Mars. The colors are from a central strip in each of the images.  The colors are processed to bring out more information about the minerals on the surface.  ; they are not exactly what we would see with just our eyes.  Some incorporate an infrared band which humans can't see.
  
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The pictures are a labor of love for Jim Secosky.  He started suggesting places for NASA to observe in 2010 through the [[HiWish program]].  Anyone can suggest places through that program. However, one often has to wait months or years for the pictures to be taken, processed, and released.  The satellite mostly just takes pictures of what it passes over; hence, you may have to wait until it passes over something you suggested.
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The pictures are a labor of love for Jim Secosky.  He started suggesting places for NASA to observe in 2010 through the [[HiWish program]].  Every one of the pictures here were ones that he obtained through the HiWish program.  that program allows anyone to explore Mars.   However, one often has to wait months or years for the pictures to be taken, processed, and released.  The satellite mostly just takes pictures of what it passes over; hence, you may have to wait until it passes over something you suggested.
  
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The collections of pictures here will not include much geology.  If you wants to find out more, you can go to the references or links to other articles in Marspedia.  Some talks are also listed that Jim gave for the Mars Society.
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A few of the images have a box--that box represents the size of a football field (100 yards).  
  
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The collections of pictures here will not include much geology.  If you want to find out more, you can go to the references or links to other articles in Marspedia.  Some talks are also listed that Jim gave for the Mars Society.
  
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[[|600pxr|]]
 
  
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[[File:Collage of HiRISE images of Mars.jpg|600pxr|Collage of pictures taken with HiRISE under HiWish program]]
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                                          HiRISE images of Mars
  
 
[[File:General Collage of pretty HiRISE images.jpg|600pxr|Collage of pictures taken with HiRISE under HiWish program]]
 
[[File:General Collage of pretty HiRISE images.jpg|600pxr|Collage of pictures taken with HiRISE under HiWish program]]
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                        Collage of pictures taken with HiRISE under HiWish program
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<gallery class="center"  widths="380px" heights="360px">
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File:Collage2024cropped.jpg|Collage of pictures taken with HiRISE under HiWish program
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</gallery>
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[[File:Collage2024cropped.jpg|thumb|Collage of pictures received through HiWish program]]
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[[File:Brain terrain from around Mars 02.jpg|600pxr| Image shows the variety of different kinds of brain terrain on Mars. Brain terrain is called that because it resembles the surface of the human brain. It is thought to form when ice leaves the ground along cracks. ]]
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Image shows the variety of different kinds of brain terrain on Mars. Brain terrain is called that because it resembles the surface of the human brain. It is thought to form when ice leaves the ground along cracks.<ref name=":0">Levy, J., J. Head, D. Marchant. 2009. Concentric crater fill in Utopia Planitia: History and interaction between glacial “brain terrain” and periglacial mantle processes. Icarus 202, 462–476.</ref> <ref name="Baker, D. 2015">Baker, D., J. Head. 2015. Extensive Middle Amazonian mantling of debris aprons and plains in Deuteronilus Mensae, Mars: Implication for the record of mid-latitude glaciation. Icarus: 260, 269-288.</ref>
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[[File:Craters from around Mars 01.jpg |600pxr| different kinds of impact craters on Mars.]]
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                                  Different kinds of impact craters on Mars.
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[[ File:Craters from around Mars 03.jpg|600pxr| Image shows dust devil tracks on Mars.  Mars has many dust devils.  When a dust devil passes, it removes the thin coating of bright dust.  One then sees the dark undersurface.]]
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Image shows dust devil tracks on Mars.  Mars has many dust devils.  When a dust devil passes, it removes the thin coating of bright dust.  One then sees the dark undersurface.
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[[File:Channels from around Mars 06.jpg |600pxr|  Image shows the variety of channels on Mars. In the past Mars once had many streams and rivers.]]
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        Image shows the variety of channels on Mars. In the past Mars once had many streams and rivers.
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[[File:Glaciers from around Mars 09.jpg |600pxr|  glaciers on Mars. Some have ice; some have lost most of their ice. The ice was able to be preserved for long periods because it had a layer of dirt and rocks on top.]]
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Glaciers on Mars. Some have ice; some have lost most of their ice. The ice was able to be preserved for long periods because it had a layer of dirt and rocks on top.<ref>Head, J. and D. Marchant. 2006. Evidence for global-scale northern mid-latitude glaciation in the Amazonian period of Mars: Debris-covered glacial and valley glacial deposits in the 30 - 50 N latitude band. Lunar. Planet. Sci. 37. Abstract 1127</ref> <ref>Head, J.W.; Marchant, D.R.; Dickson, J.L.; Kress, A.M. (2010). "Criteria for the recognition of debris-covered glacier and valley glacier landsystem deposits". Earth Planet. Sci. Lett. 294 (3–4): 306–320.</ref> <ref>Baker, D., et al. 2009. Flow patterns of lobate debris aprons and lineated valley fill north of Ismeniae Fossae, Mars: Evidence for extensive mid-latitude glaciation in the Late Amazonian. Icarus: 207. 186-209.</ref>
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[[File:Sand dunes from around Mars 08.jpg |600pxr|sand dunes on Mars. The colored ones are from a colored strip in the center of each HiRISE image. To our eyes all of these would probably appear black. However, NASA images are able to be processed to bring out slight differences. Dunes are made of the black volcanic rock basalt. Basalt does not always have the same exact composition. Slight amounts of certain elements can yield slightly different colors.  ]]
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Sand dunes on Mars. The colored ones are from a colored strip in the center of each HiRISE image. To our eyes all of these would probably appear black. However, NASA images are able to be processed to bring out slight differences. Dunes are made of the black volcanic rock basalt. Basalt does not always have the same exact composition. Slight amounts of certain elements can yield slightly different colors.
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[[ File:Mud volcanoes from around Mars 11.jpg|600pxr|  Image shows the variety of mud volcanoes on Mars. The mud comes up from a distance such that organisms could have lived in the mud. On the surface living things were die from the radiation. The colored ones are from a colored strip in the center of each HiRISE image. ]]
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Image shows the variety of mud volcanoes on Mars.<ref>Hugh H. Kieffer (1992). Mars. University of Arizona Press. ISBN 978-0-8165-1257-7. </ref> <ref>Oehler, D. and C. Allen. 2010. Evidence for pervasive mud volcanism in Acidalia Planitia, Mars. Icarus: 208. 636-657.</ref>  The mud comes up from a distance such that organisms could have lived in the mud.<ref> Komatsu, G., et al. 2014. ASTROBIOLOGICAL POTENTIAL OF MUD VOLCANISM ON MARS. 45th Lunar and Planetary Science Conference (2014). 1085.pdf</ref>  On the surface living things were die from the radiation. The colored ones are from a colored strip in the center of each HiRISE image.
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[[File:Ridges from around Mars 13.jpg |600pxr| ridges on Mars. Ridges sometimes form shapes at nearly right angles. We do not know the exact cause, but a popular idea is that minerals were deposited in cracks. Later, erosion removed the soft material around them. There is some evidence that clays are near them. That's important because clays need water to form. Hence, they may be markers of past water. The colored ones are from a colored strip in the center of each HiRISE image. ]]
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Ridges on Mars. Ridges sometimes form shapes at nearly right angles. We do not know the exact cause, but a popular idea is that minerals were deposited in cracks.<ref>Saper, L., J. Mustard. 2013. "Extensive linear ridge networks in Nili Fossae and Nilosyrtis, Mars: implications for fluid flow in the ancient crust". ''Geophysical Research Letters'': 40, 245-249.</ref> Later, erosion removed the soft material around them. There is some evidence that clays are near them. That's important because clays need water to form. Hence, they may be markers of past water. The colored ones are from a colored strip in the center of each HiRISE image.
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[[File:Streamlined shapes from around Mars 14.jpg |600pxr| streamlined forms on Mars. Great floods formed these. Nearness to volcanic features or maybe an impact may have released water from the frozen ground. The colored ones are from a colored strip in the center of each HiRISE image. ]]
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Streamlined forms on Mars. Great floods formed these.  Much water was frozen in the ground and then released over a short period of time to create huge floods.<ref>James W. Head; Lionel Wilson; Karl L. Mitchell (2003). "Generation of recent massive water floods at Cerberus Fossae, Mars by dike emplacement, cryospheric cracking, and confined aquifer groundwater release". Geophysical Research Letters. 30 (11): 2265.</ref>  Nearness to volcanic features or maybe an impact may have released water from the frozen ground. The colored ones are from a colored strip in the center of each HiRISE image.
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[[ File:Gullies from around Mars 16.jpg|600pxr|gullies on Mars. Gullies from on steep slopes. Today, they seem to be produced with the action of dry ice; in the past liquid water may have been involved. The colored ones are from a colored strip in the center of each HiRISE image. ]]
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Gullies on Mars. Gullies from on steep slopes. Today, they seem to be produced with the action of dry ice;<ref>Pasquon, K., et al. 2019. Present-day development of gully-channel sinuosity by carbon dioxide gas supported flows on Mars. Icarus. Volume 329. Pages 296-313</ref>  in the past liquid water may have been involved.<ref> Dundas, C., et al. 2012. Seasonal activity and morphological changes in martian gullies. Icarus: 220, 124-143.</ref> <ref>Dickson, J., et al. 2023. Gullies on Mars could have formed by melting of water ice during periods of high obliquity. Science. Vol 380, Issue 6652. pp. 1363-1367. </ref> <ref>Dundas, et al. 2023. Martian gully activity and the gully sediment transport system. Icarus. Volume 386, 1 November 2022, 115133</ref> <ref>C.M. Dundas, A.S. McEwen, S. Diniega, C.J. Hansen, S. Byrne, J.N. McElwaine. 2017. The formation of gullies on Mars today. Geol. Soc. Lond. Spec. Publ., 46710.1144/SP467.5</ref>  The colored ones are from a colored strip in the center of each HiRISE image.
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[[File:Landslides from around Mars 10.jpg |600pxr|  landslides on Mars]]
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                                  Landslides on Mars
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[[ File:Troughs from around Mars 15.jpg|600pxr| File:Troughs ]]
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  Troughs on Mars. Troughs form on Mars due to the huge volcanoes weighing down the crust and stretching it.
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[[ File:Shapes on the floor of Hellas 17.jpg|600pxr|Shapes on the floor of Hellas 17.jpg]]
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Shapes observed on floor of Hellas. The shapes are strange and we currently do not know exactly how they were formed. Glaciers may have been involved.<ref>Weiss, D.; Head, J. (2017). "Salt or ice diapirism origin for the honeycomb terrain in Hellas basin, Mars?: Implications for the early martian climate". Icarus. 284: 249–263.</ref>
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[[ File:Hollows from around Mars 18.jpg|600pxr|Hollows from around Mars 18.jpg ]]
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                Hollows on Mars.  Some of these images have a box--that box represents the size of a football field (100 yards). Hollows are produced when ice leaves the ground.
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[[ File:Lava flows from around Mars 19.jpg|600pxr| Lava flows from around Mars 19.jpg]]
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                                Lava flows on Mars
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[[ File:Scalloped terrain from around Mars 20.jpg|600pxr| Scalloped terrain from around Mars 20.jpg]]
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Scalloped terrain on Mars. This terrain forms when ice leaves the ground.<ref>Morgenstern A, Hauber E, Reiss D, van Gasselt S, Grosse G, Schirrmeister L (2007): Deposition and degradation of a volatile-rich layer in Utopia Planitia, and implications for climate history on Mars. Journal of Geophysical Research: Planets 112, E06010.</ref>  It is a marker for ice.
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[[ File:Cones of Mars 22.jpg|600pxr|Cones of Mars 22.jpg]]
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              Rootless cones on Mars. They form when lava flows over frozen or ice-rich ground.<ref>Czechowski, L., et al. 2023. The formation of cone chains in the Chryse Planitia region on Mars and the thermodynamic aspects of this process. Icarus: Volume 396, 15 May 2023, 115473</ref>
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[[ File:Layered hills around Mars 21.jpg|600pxr|Layered hills around Mars 21.jpg ]]
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          Layered hills on Mars. They are the remains of material that once covered a wide area.
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[[File:Spiders on Mars 23.jpg |600pxr|Spiders on Mars 23.jpg]]
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Plumes and spiders on Mars  In the spring, black dust/sand blows out of the ground and makes dark plumes.<ref>Kieffer, HH; Christensen, PR; Titus, TN (2006). "CO2 jets formed by sublimation beneath translucent slab ice in Mars'seasonal south polar ice cap". Nature. 442 (7104): 793–796. </ref>  <ref>Thomas, N.; Hansen, C.J.; Portyankina, G.; Russell, P.S. (2010). "HiRISE observations of gas sublimation-driven activity in Mars' southern polar regions: II. Surficial deposits and their origins". Icarus. 205 (1): 296–310.</ref> <ref> Portyankina, G., et al. 2019. How Martian araneiforms get their shapes: morphological analysis and diffusion-limited aggregation model for polar surface erosion Icarus. https://doi.org/10.1016/j.icarus.2019.02.032</ref> <ref>Kieffer H, Christensen P, Titus T. 2006 Aug 17. CO2 jets formed by sublimation beneath translucent slab ice in Mars' seasonal south polar ice cap. Nature: 442(7104):793-6.</ref>  Plumes may elongated shapes due to the wind.  Some shapes that look like spiders are created.<ref>McKeown, L., et al. 2021. The formation of araneiforms by carbon dioxide venting and vigorous sublimation dynamics under martian atmospheric pressure. Scientific Reports.</ref> <ref>https://www.livescience.com/space/mars/spiders-on-mars-fully-awakened-on-earth-for-1st-time-and-scientists-are-shrieking-with-joy?utm_term=CABA215D-3D47-4C9A-92FE-9ECF8D4C7909&lrh=e62336263a3610a07ef7c8af2080c758f2ecd0661aab1a8e6234cf31f0d0fdff&utm_campaign=368B3745-DDE0-4A69-A2E8-62503D85375D&utm_medium=email&utm_content=542DE80B-08E0-4FC1-B871-90E60036945E&utm_source=SmartBrief</ref>
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[[ File:Dark slope streaks on Mars 24.jpg|600pxr|Dark slope streaks on Mars 24.jpg]]
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            Dark slope streaks on Mars. Most believe they are avalanches of bright dust.<ref>Treiman, A.H.; Louge, M.Y. (2004). Martian Slope Streaks and Gullies: Origins as Dry Granular Flows. 35th Lunar and Planetary Science Conference, Abstract #1323.</ref> <ref>Heyer, T., et al. 2019. Seasonal formation rates of martian slope streaks. Icarus</ref> <ref> Lange, S., et al. 2022. Gardening of the Martian Regolith by Diurnal CO2 Frost and the Formation of Slope Streaks. JGR Planets. Volume127, Issue4. e2021JE006988</ref> <ref> Chuang, F.C. et al. 2007. HiRISE Observations of Slope Streaks on Mars. Geophys. Res. Lett., 34 L20204.</ref>
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[[File:Volcanic vents from around Mars 25.jpg |600pxr|Volcanic vents from around Mars 25.jpg ]]
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                                Volcanic vents on Mars.
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[[ File:Craters from around Mars 26.jpg|600pxr|Common features around mars ]]
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                                Common features seen on Mars
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[[File:Layered landscapes of Mars 27.jpg |600pxr| File:Layered landscapes of Mars 27.jpg]]
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                                Layered landscapes of Mars
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[[File:Collagelunaepalus.jpg|Typical scenes in Lunae Palus quadrangle|600pxr|Typical scenes in Lunae Palus quadrangle]]
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                      Typical scenes in Lunae Palus quadrangle
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[[File:Collagesyrtismajor.jpg|Typical features of Syrtis Major quadrangle as seen by HiRISE under under HiWish program|600pxr| Typical features of Syrtis Major quadrangle]]
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                      Typical features of Syrtis Major quadrangle
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[[File:Collage arcadia 01.jpg|Typical features of Arcadia quadrangle as seen by HiRISE under under HiWish program|600pxr| Typical features of Arcadia quadrangle]]
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                          Typical features of Arcadia quadrangle
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[[File:Collage oxia palus 02.jpg|Typical features of Oxia Palus quadrangle as seen by HiRISE under under HiWish program|600pxr| Typical features of Oxia Palus quadrangle]]
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                          Typical features of Oxia Palus quadrangle
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[[File:Collage Mare Boreum 03.jpg|Typical features of Mare Boreum quadrangle as seen by HiRISE under under HiWish program|600pxr| Typical features of Oxia Mare Boreum quadrangle]]
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                          Typical features of Mare Boreum quadrangle
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[[File:Collage Diacria quadrangle 04.jpg|Typical features of Diacria quadrangle as seen by HiRISE under under HiWish program|600pxr| Typical features of Diacria quadrangle]]
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                          Typical features of Diacria quadrangle
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[[File:Wide view of layers in candor ESP 074432 1735.jpg |600pxr|Wide view of layers in Candor, as seen by HiRISE.  This picture was named HiRISE picture of the day for November 9, 2023.]]
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Wide view of layers in Candor, as seen by HiRISE.  This picture was named HiRISE picture of the day for November 9, 2023.
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[[File:Layers in Candor, ESP 074432 1735-2.jpg|600pxr|]]
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                                      Layers in Candor
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[[File:Wide view of layers ESP 27747 1820.jpg|600pxr|Layers and faults in Arabia quadrangle]]
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      Layers and faults in Arabia quadrangle--HiRISE Picture of the Day  (September 25, 2021)
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[[File:Ridges in ESP 074906 2160.jpg|600pxr|Ridges, this picture was named HiRISE picture of the day on March 29, 2024]]
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                    Ridges, this picture was named HiRISE picture of the day on March 29, 2024
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<gallery class="center"  widths="380px" heights="360px">
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</gallery>
  
 
==See Also==
 
==See Also==
  
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*[[Dark slope streaks]]
 
*[[Dust devils]]
 
*[[Dust devils]]
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*[[Geography of Mars]]
 
*[[Geography of Mars]]
 
*[[High Resolution Imaging Science Experiment (HiRISE)]]
 
*[[High Resolution Imaging Science Experiment (HiRISE)]]
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*[[HiWish program]]
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*[[HiWish program]] has section on colors
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*[[Layers on Mars]]
 
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*[[Mars Global Surveyor]]
 
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*[[Rivers on Mars]]
 
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*[[Geography of Mars]]
 
*[[Geography of Mars]]
 
*[[Glaciers on Mars]]
 
*[[Glaciers on Mars]]
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*[[High Resolution Imaging Science Experiment (HiRISE)]]
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*[[Layers on Mars]]
 
*[[Layers on Mars]]
 
*[[Martian features that are signs of water ice]]
 
*[[Martian features that are signs of water ice]]

Latest revision as of 14:47, 19 November 2024

Article written by Jim Secosky. Jim is a retired science teacher who has used the Hubble Space Telescope, the Mars Global Surveyor, and HiRISE.


This article will show some beautiful scenes of Mars from about 150 miles above the surface. The pictures were taken by the High Resolution Imaging Science Experiment (HiRISE) that orbits Mars. The colors are from a central strip in each of the images. The colors are processed to bring out more information about the minerals on the surface. ; they are not exactly what we would see with just our eyes. Some incorporate an infrared band which humans can't see.

The pictures are a labor of love for Jim Secosky. He started suggesting places for NASA to observe in 2010 through the HiWish program. Every one of the pictures here were ones that he obtained through the HiWish program. that program allows anyone to explore Mars. However, one often has to wait months or years for the pictures to be taken, processed, and released. The satellite mostly just takes pictures of what it passes over; hence, you may have to wait until it passes over something you suggested.

A few of the images have a box--that box represents the size of a football field (100 yards).

The collections of pictures here will not include much geology. If you want to find out more, you can go to the references or links to other articles in Marspedia. Some talks are also listed that Jim gave for the Mars Society.


Collage of pictures taken with HiRISE under HiWish program 

                                         HiRISE images of Mars

Collage of pictures taken with HiRISE under HiWish program 

                       Collage of pictures taken with HiRISE under HiWish program


  • Collage of pictures taken with HiRISE under HiWish program

Collage of pictures received through HiWish program

Image shows the variety of different kinds of brain terrain on Mars. Brain terrain is called that because it resembles the surface of the human brain. It is thought to form when ice leaves the ground along cracks.

Image shows the variety of different kinds of brain terrain on Mars. Brain terrain is called that because it resembles the surface of the human brain. It is thought to form when ice leaves the ground along cracks.[1] [2]


different kinds of impact craters on Mars. 

                                 Different kinds of impact craters on Mars.


Image shows dust devil tracks on Mars. Mars has many dust devils. When a dust devil passes, it removes the thin coating of bright dust. One then sees the dark undersurface. Image shows dust devil tracks on Mars. Mars has many dust devils. When a dust devil passes, it removes the thin coating of bright dust. One then sees the dark undersurface.

Image shows the variety of channels on Mars. In the past Mars once had many streams and rivers. 

        Image shows the variety of channels on Mars. In the past Mars once had many streams and rivers.

glaciers on Mars. Some have ice; some have lost most of their ice. The ice was able to be preserved for long periods because it had a layer of dirt and rocks on top. Glaciers on Mars. Some have ice; some have lost most of their ice. The ice was able to be preserved for long periods because it had a layer of dirt and rocks on top.[3] [4] [5]


sand dunes on Mars. The colored ones are from a colored strip in the center of each HiRISE image. To our eyes all of these would probably appear black. However, NASA images are able to be processed to bring out slight differences. Dunes are made of the black volcanic rock basalt. Basalt does not always have the same exact composition. Slight amounts of certain elements can yield slightly different colors.

Sand dunes on Mars. The colored ones are from a colored strip in the center of each HiRISE image. To our eyes all of these would probably appear black. However, NASA images are able to be processed to bring out slight differences. Dunes are made of the black volcanic rock basalt. Basalt does not always have the same exact composition. Slight amounts of certain elements can yield slightly different colors.


Image shows the variety of mud volcanoes on Mars. The mud comes up from a distance such that organisms could have lived in the mud. On the surface living things were die from the radiation. The colored ones are from a colored strip in the center of each HiRISE image.

Image shows the variety of mud volcanoes on Mars.[6] [7] The mud comes up from a distance such that organisms could have lived in the mud.[8] On the surface living things were die from the radiation. The colored ones are from a colored strip in the center of each HiRISE image.

ridges on Mars. Ridges sometimes form shapes at nearly right angles. We do not know the exact cause, but a popular idea is that minerals were deposited in cracks. Later, erosion removed the soft material around them. There is some evidence that clays are near them. That's important because clays need water to form. Hence, they may be markers of past water. The colored ones are from a colored strip in the center of each HiRISE image.

Ridges on Mars. Ridges sometimes form shapes at nearly right angles. We do not know the exact cause, but a popular idea is that minerals were deposited in cracks.[9] Later, erosion removed the soft material around them. There is some evidence that clays are near them. That's important because clays need water to form. Hence, they may be markers of past water. The colored ones are from a colored strip in the center of each HiRISE image.


streamlined forms on Mars. Great floods formed these. Nearness to volcanic features or maybe an impact may have released water from the frozen ground. The colored ones are from a colored strip in the center of each HiRISE image.

Streamlined forms on Mars. Great floods formed these. Much water was frozen in the ground and then released over a short period of time to create huge floods.[10] Nearness to volcanic features or maybe an impact may have released water from the frozen ground. The colored ones are from a colored strip in the center of each HiRISE image.


gullies on Mars. Gullies from on steep slopes. Today, they seem to be produced with the action of dry ice; in the past liquid water may have been involved. The colored ones are from a colored strip in the center of each HiRISE image.

Gullies on Mars. Gullies from on steep slopes. Today, they seem to be produced with the action of dry ice;[11] in the past liquid water may have been involved.[12] [13] [14] [15] The colored ones are from a colored strip in the center of each HiRISE image.


landslides on Mars 

                                 Landslides on Mars


File:Troughs 

 Troughs on Mars. Troughs form on Mars due to the huge volcanoes weighing down the crust and stretching it.


Shapes on the floor of Hellas 17.jpg Shapes observed on floor of Hellas. The shapes are strange and we currently do not know exactly how they were formed. Glaciers may have been involved.[16]


Hollows from around Mars 18.jpg 

               Hollows on Mars.  Some of these images have a box--that box represents the size of a football field (100 yards). Hollows are produced when ice leaves the ground.


Lava flows from around Mars 19.jpg 

                               Lava flows on Mars


Scalloped terrain from around Mars 20.jpg

Scalloped terrain on Mars. This terrain forms when ice leaves the ground.[17] It is a marker for ice.


Cones of Mars 22.jpg 

              Rootless cones on Mars. They form when lava flows over frozen or ice-rich ground.[18]


Layered hills around Mars 21.jpg 

          Layered hills on Mars. They are the remains of material that once covered a wide area.


Spiders on Mars 23.jpg


Plumes and spiders on Mars In the spring, black dust/sand blows out of the ground and makes dark plumes.[19] [20] [21] [22] Plumes may elongated shapes due to the wind. Some shapes that look like spiders are created.[23] [24]


Dark slope streaks on Mars 24.jpg 

            Dark slope streaks on Mars. Most believe they are avalanches of bright dust.[25] [26] [27] [28]


Volcanic vents from around Mars 25.jpg 

                                Volcanic vents on Mars.


Common features around mars 

                               Common features seen on Mars


File:Layered landscapes of Mars 27.jpg 

                               Layered landscapes of Mars

Typical scenes in Lunae Palus quadrangle 

                     Typical scenes in Lunae Palus quadrangle


Typical features of Syrtis Major quadrangle 

                      Typical features of Syrtis Major quadrangle


Typical features of Arcadia quadrangle 

                         Typical features of Arcadia quadrangle


Typical features of Oxia Palus quadrangle 

                         Typical features of Oxia Palus quadrangle


Typical features of Oxia Mare Boreum quadrangle 


                         Typical features of Mare Boreum quadrangle


Typical features of Diacria quadrangle 

                         Typical features of Diacria quadrangle


Wide view of layers in Candor, as seen by HiRISE. This picture was named HiRISE picture of the day for November 9, 2023.

Wide view of layers in Candor, as seen by HiRISE. This picture was named HiRISE picture of the day for November 9, 2023.

Layers in Candor, ESP 074432 1735-2.jpg 

                                      Layers in Candor

Layers and faults in Arabia quadrangle 

      Layers and faults in Arabia quadrangle--HiRISE Picture of the Day  (September 25, 2021)

Ridges, this picture was named HiRISE picture of the day on March 29, 2024 

                   Ridges, this picture was named HiRISE picture of the day on March 29, 2024

See Also

External links

References

  1. ↑ Levy, J., J. Head, D. Marchant. 2009. Concentric crater fill in Utopia Planitia: History and interaction between glacial “brain terrain” and periglacial mantle processes. Icarus 202, 462–476.
  2. ↑ Baker, D., J. Head. 2015. Extensive Middle Amazonian mantling of debris aprons and plains in Deuteronilus Mensae, Mars: Implication for the record of mid-latitude glaciation. Icarus: 260, 269-288.
  3. ↑ Head, J. and D. Marchant. 2006. Evidence for global-scale northern mid-latitude glaciation in the Amazonian period of Mars: Debris-covered glacial and valley glacial deposits in the 30 - 50 N latitude band. Lunar. Planet. Sci. 37. Abstract 1127
  4. ↑ Head, J.W.; Marchant, D.R.; Dickson, J.L.; Kress, A.M. (2010). "Criteria for the recognition of debris-covered glacier and valley glacier landsystem deposits". Earth Planet. Sci. Lett. 294 (3–4): 306–320.
  5. ↑ Baker, D., et al. 2009. Flow patterns of lobate debris aprons and lineated valley fill north of Ismeniae Fossae, Mars: Evidence for extensive mid-latitude glaciation in the Late Amazonian. Icarus: 207. 186-209.
  6. ↑ Hugh H. Kieffer (1992). Mars. University of Arizona Press. ISBN 978-0-8165-1257-7.
  7. ↑ Oehler, D. and C. Allen. 2010. Evidence for pervasive mud volcanism in Acidalia Planitia, Mars. Icarus: 208. 636-657.
  8. ↑ Komatsu, G., et al. 2014. ASTROBIOLOGICAL POTENTIAL OF MUD VOLCANISM ON MARS. 45th Lunar and Planetary Science Conference (2014). 1085.pdf
  9. ↑ Saper, L., J. Mustard. 2013. "Extensive linear ridge networks in Nili Fossae and Nilosyrtis, Mars: implications for fluid flow in the ancient crust". Geophysical Research Letters: 40, 245-249.
  10. ↑ James W. Head; Lionel Wilson; Karl L. Mitchell (2003). "Generation of recent massive water floods at Cerberus Fossae, Mars by dike emplacement, cryospheric cracking, and confined aquifer groundwater release". Geophysical Research Letters. 30 (11): 2265.
  11. ↑ Pasquon, K., et al. 2019. Present-day development of gully-channel sinuosity by carbon dioxide gas supported flows on Mars. Icarus. Volume 329. Pages 296-313
  12. ↑ Dundas, C., et al. 2012. Seasonal activity and morphological changes in martian gullies. Icarus: 220, 124-143.
  13. ↑ Dickson, J., et al. 2023. Gullies on Mars could have formed by melting of water ice during periods of high obliquity. Science. Vol 380, Issue 6652. pp. 1363-1367.
  14. ↑ Dundas, et al. 2023. Martian gully activity and the gully sediment transport system. Icarus. Volume 386, 1 November 2022, 115133
  15. ↑ C.M. Dundas, A.S. McEwen, S. Diniega, C.J. Hansen, S. Byrne, J.N. McElwaine. 2017. The formation of gullies on Mars today. Geol. Soc. Lond. Spec. Publ., 46710.1144/SP467.5
  16. ↑ Weiss, D.; Head, J. (2017). "Salt or ice diapirism origin for the honeycomb terrain in Hellas basin, Mars?: Implications for the early martian climate". Icarus. 284: 249–263.
  17. ↑ Morgenstern A, Hauber E, Reiss D, van Gasselt S, Grosse G, Schirrmeister L (2007): Deposition and degradation of a volatile-rich layer in Utopia Planitia, and implications for climate history on Mars. Journal of Geophysical Research: Planets 112, E06010.
  18. ↑ Czechowski, L., et al. 2023. The formation of cone chains in the Chryse Planitia region on Mars and the thermodynamic aspects of this process. Icarus: Volume 396, 15 May 2023, 115473
  19. ↑ Kieffer, HH; Christensen, PR; Titus, TN (2006). "CO2 jets formed by sublimation beneath translucent slab ice in Mars'seasonal south polar ice cap". Nature. 442 (7104): 793–796.
  20. ↑ Thomas, N.; Hansen, C.J.; Portyankina, G.; Russell, P.S. (2010). "HiRISE observations of gas sublimation-driven activity in Mars' southern polar regions: II. Surficial deposits and their origins". Icarus. 205 (1): 296–310.
  21. ↑ Portyankina, G., et al. 2019. How Martian araneiforms get their shapes: morphological analysis and diffusion-limited aggregation model for polar surface erosion Icarus. https://doi.org/10.1016/j.icarus.2019.02.032
  22. ↑ Kieffer H, Christensen P, Titus T. 2006 Aug 17. CO2 jets formed by sublimation beneath translucent slab ice in Mars' seasonal south polar ice cap. Nature: 442(7104):793-6.
  23. ↑ McKeown, L., et al. 2021. The formation of araneiforms by carbon dioxide venting and vigorous sublimation dynamics under martian atmospheric pressure. Scientific Reports.
  24. ↑ https://www.livescience.com/space/mars/spiders-on-mars-fully-awakened-on-earth-for-1st-time-and-scientists-are-shrieking-with-joy?utm_term=CABA215D-3D47-4C9A-92FE-9ECF8D4C7909&lrh=e62336263a3610a07ef7c8af2080c758f2ecd0661aab1a8e6234cf31f0d0fdff&utm_campaign=368B3745-DDE0-4A69-A2E8-62503D85375D&utm_medium=email&utm_content=542DE80B-08E0-4FC1-B871-90E60036945E&utm_source=SmartBrief
  25. ↑ Treiman, A.H.; Louge, M.Y. (2004). Martian Slope Streaks and Gullies: Origins as Dry Granular Flows. 35th Lunar and Planetary Science Conference, Abstract #1323.
  26. ↑ Heyer, T., et al. 2019. Seasonal formation rates of martian slope streaks. Icarus
  27. ↑ Lange, S., et al. 2022. Gardening of the Martian Regolith by Diurnal CO2 Frost and the Formation of Slope Streaks. JGR Planets. Volume127, Issue4. e2021JE006988
  28. ↑ Chuang, F.C. et al. 2007. HiRISE Observations of Slope Streaks on Mars. Geophys. Res. Lett., 34 L20204.
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