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The dry barren plains of Tyrrhena Terra

Tyrrhena Terra badlands
Click for full image.

In a sense today’s cool image is a replay of one I posted in March, showing the dry barren terrain in the vast rough cratered highlands of Tyrrhena Terra, located along the equator of Mars between the giant basins of Isidis and Hellas.

Today’s image on the right, cropped to post here, was taken by the high resolution camera on Mars Reconnaissance Orbiter on March 26, 2020, and shows well the barrenness of this region. The surface appears quite solid, like bedrock, rather than the squishy soft surface of the northern lowland plains. Moreover, there is a lot of dust trapped in the low areas between the ridges, forming ripples that new data suggest move slowly across the surface. If you click on the full image, you will see that this terrain is far from local, and goes on in this manner for quite a distance in all directions.

This is a dry and forbidding place, about the size of the American southwest, from Texas to California.

The overview map below provides some context of Tyrrhena Terra’s location on Mars.

Overview

The blue dot near the center indicates this image’s location. The black dot on the right is the location of the similar image posted in March. As I wrote in that March post,

Located in the equatorial regions, the data has so far found little obvious evidence of ice or water, making it less appealing as a site for settlement. The roughness is an even bigger strike against this territory. Even if we did eventually find ice here, getting to and from this region will discourage exploration. There are many other places on Mars where water is well documented, near the surface, and where landing and moving about is far less difficult.

So, let me predict the far future, when humans have built many colonies on Mars. While the big cities will be in the wet northern plains, preferably at spots closest to the equator, this region will remain a rural backwater, where few people live or work.

Despite this apparent barrenness, it would be a big mistake to ignore this region and not explore it. It could very well be that Mars’ most valuable mineral resources are buried here. Just like on Earth, sometimes the most valuable mines are located in some of the most inhospitable places. And you can’t find them if you don’t brave that wilderness and look.

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Conscious Choice cover

Now available in hardback and paperback as well as ebook!

 

From the press release: In this ground-breaking new history of early America, historian Robert Zimmerman not only exposes the lie behind The New York Times 1619 Project that falsely claims slavery is central to the history of the United States, he also provides profound lessons about the nature of human societies, lessons important for Americans today as well as for all future settlers on Mars and elsewhere in space.

 
Conscious Choice: The origins of slavery in America and why it matters today and for our future in outer space, is a riveting page-turning story that documents how slavery slowly became pervasive in the southern British colonies of North America, colonies founded by a people and culture that not only did not allow slavery but in every way were hostile to the practice.  
Conscious Choice does more however. In telling the tragic history of the Virginia colony and the rise of slavery there, Zimmerman lays out the proper path for creating healthy societies in places like the Moon and Mars.

 

“Zimmerman’s ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed what he says.” —Robert Zubrin, founder of founder of the Mars Society.

 

All editions are available at Amazon, Barnes & Noble, and all book vendors, with the ebook priced at $5.99 before discount. The ebook can also be purchased direct from my ebook publisher, ebookit, in which case you don't support the big tech companies and I get a bigger cut much sooner.

 

Autographed printed copies are also available at discount directly from me (hardback $24.95; paperback $14.95; Shipping cost for either: $5.00). Just email me at zimmerman @ nasw dot org.

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