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As I noted in July, the support of my readers through the years has given me the freedom and ability to analyze objectively the ongoing renaissance in space, as well as the cultural changes -- for good or ill -- that are happening across America. Fourteen years ago I wrote that SLS and Orion were a bad ideas, a waste of money, would be years behind schedule, and better replaced by commercial private enterprise. Only now does it appear that Washington might finally recognize this reality.

 

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Martian pimples

Pimples on Mars!
Click for full image.

Cool image time! The image to the right, cropped and reduced to post here, is one of those terrain sample images the science team of the high resolution camera of Mars Reconnaissance Orbiter (MRO) takes periodically when they have a gap in their observation schedule with no specific requests for images of the terrain below. Still, they need to use the camera regularly to keep its temperature maintained, so they then take a somewhat random picture over that terrain, based partly on information from lower resolution images but without a strong sense of what they will find.

In this case, they found what I dub pimples, raised mounds with small holes at their peaks. The image, taken on November 30, 2019, is located is in the northern lowlands, at a latitude (45 degrees) where subsurface ice is possible. Thus, we could be looking at water ice volcanoes.

Very few high resolution images have been taken of this area, with no others close by. Thus, the overall context of these mounds is hard to gauge. They could be widespread, or very localized.

The unknowns here and general lack of research suggests this location and these mounds are ripe research for some postdoc student interested in planetary geology.

Genesis cover

On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.

 

The print edition can be purchased at Amazon. from any other book seller, or direct from my ebook publisher, ebookit. The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit. If you buy it from ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.


The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
 

"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News

3 comments

  • Tom Billings

    With their diameter exceeding 500 meters, these are substantial structures. If they are, indeed, water ice volcanoes, then they have substantial value as both ISRU positions and as convenient places to place a settlement that melts burrows for settlers into the ice, even as it gains the Hydrogen and Oxygen for making propellants and other uses for that water. It gives the best radiation protection possible for settlers, with tens of meters of Ice overhead, while having an ease of access to that Ice that few other sites can match. No long treks to get the daily water ration this way.

    45º from the equator as well. Now, if we can just find more of these, …..

    Has anyone told SpaceX landing site planners about them??

  • Tom Billings: I doubt this location has been considered as an early human landing site. If so more high res images would have been taken.

    Moreover, SpaceX’s present primary area of interest for landing Starship, near Erebus Montes in Arcadia Planitia, is actually at a lower latitude, with lots of very well documented ice.

  • Max

    More cool, unexpected features. Thanks for posting these, it must be time consuming to go through so many pictures.

    Even in the low lands, there is not enough air pressure to have liquid or frozen water on the surface for very long before it boils away.
    Water would cut channels it to the surface creating Canyons flowing down from the peak creating delta sediment formations around the base. I suspect these are mounds of mineral/salts.
    If pressurized geysers of warm water was sprayed into the air, H402 most likely evaporated before hitting the ground leaving mineral deposits behind, similar to Cinder cones near volcanic vents on earth.

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