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Ancient Cavern Systems of Mars –Possible Biological Habitats?

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December 13, 2012 in Outdoors


Related Article:Mars Is Pangaea

Possible caverns have been recently identified on Mars, and their existence has caught much scientific and public attention because of their potential as exobiological habitats. However, their age and dimensions remain uncertain. The discovery of vast caverns that existed in ancient periods of Mars shows that these habitats may have in fact existed during billions of years of the planet’s history.

An international research team led by the Planetary Science Institute has found evidence that indicates that approximately 2 billion years ago enormous volumes of catastrophic flood discharges may have been captured by extensive systems of caverns on Mars, said PSI research scientist J. Alexis Palmero Rodriguez. Rodriguez and the research team came to this conclusion after studying the terminal regions of the Hebrus Valles, an outflow channel that extends approximately 250 kilometers downstream from two zones of surface collapse. The Martian outflow channels comprise some of the largest known channels in the solar system.

Although it has been proposed their discharge history may have once led to the formation of oceans, the ultimate fate and nature of the fluid discharges has remained a mystery for more than 40 years, and their excavation has been attributed to surface erosion by glaciers, debris flows, catastrophic floodwaters, and perhaps even lava flows, Rodriguez said.

The PSI-led team’s work documents the geomorphology of Hebrus Valles, a Martian terrain that is unique in that it preserves pristine landforms located at the terminal reaches of a Martian outflow channel. These generally appear highly resurfaced, or buried, at other locations in the planet. Rodriguez and his co-authors propose in an article titled “Infiltration of Martian overflow channel floodwaters into lowland cavernous systems” published in Geophysical Research Letters that large volumes of catastrophic floodwaters, which participated in the excavation of Hebrus Valles, may have encountered their ultimate fate in vast cavernous systems. They hypothesize that evacuated subsurface space during mud volcanism was an important process in cavern development.

Earlier in 2011, huge pits or caves were discovered on a bright, dusty plain near the Martian volcano Ascraeus Mons by MRO’s sister orbiter, Mars Odyssey, which first imaged the two deep pits—which are about 590 feet (180 meters) and 1,017 feet (310 meters), —a year earlier using its infrared camera, THEMIS.

“When compared to the surrounding surface, the dark interiors of the holes gave off heat at night but were cool by day,” said Alfred McEwen, principal investigator on the HiRISE camera. “So we then decided to target these with MRO because this thermal information may be evidence for these being caves—but the jury is still out on that.”
The MRO has been studying Mars since 2006, beaming back more data than all other past and current missions to the planet combined.

For more information: http://www.agu.org
Journal reference: Geophysical Research Letters.

The Daily Galaxy via Planetary Science Institute

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3 responses to Ancient Cavern Systems of Mars –Possible Biological Habitats?

  1. Don’t you feel that all the recent interest and missions to Mars is not a coincidence since it will become the next earth and is it possible that what we are seeing today is an effort by the criminal bankster elitist to get ready for the next phase of evolution of the human species on more planets. Makes me wonder how many planets in the past billions of years have humans lived? I believe we resided and destroyed many before now.

  2. Cool!
    Always waiting to hear about something spectacular in the sky!

  3. Looks like there’s a lot we don’t know about Mars :)

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