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Readers!

 

The time has come for my annual short Thanksgiving/Christmas fund drive for Behind The Black. I must do this every year in order to make sure I have earned enough money to pay my bills.

 

For this two-week campaign, I am offering a special deal to encourage donations. Donations of $200 will get a free autographed copy of the new paperback edition of Genesis: The Story of Apollo 8, while donations of $250 will get a free autographed copy of the new hardback edition. If you desire a copy, make sure you provide me your address with your donation.

 

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.

 

In 2020 when the world panicked over COVID I wrote that the panic was unnecessary, that the virus was apparently simply a variation of the flu, that masks were not simply pointless but if worn incorrectly were a health threat, that the lockdowns were a disaster and did nothing to stop the spread of COVID. Only in the past year have some of our so-called experts in the health field have begun to recognize these facts.

 

Your help allows me to do this kind of intelligent analysis. I take no advertising or sponsors, so my reporting isn't influenced by donations by established space or drug companies. Instead, I rely entirely on donations and subscriptions from my readers, which gives me the freedom to write what I think, unencumbered by outside influences.

 

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Icebergs of Martian lava

Icebergs of Martian lava
Click for full image.

Cool image time! The photo to the right, cropped, reduced, and enhanced to post here, was taken on July 24, 2022 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). The scientists label this “platy-ridged lava” but to my eye this more resembles lava ice bergs trapped within a now frozen lava stream flowing I think from the northeast to the southwest.

My guess that the flow follows that direction is based on two bits of data. First, the shape of the lava ice flows suggests vaguely a flow to the southwest. The wiggling black ridges inside the streams suggest that these flows occurred in two parts, a stronger wide flow that narrowed as the lava on the edges hardened. When the edges solidified the interior flow scraped against it, forming the wiggling ridges.

Second, the location of this image, as shown on the overview map below, strongly suggests the lava streams flowed to the southwest.

Overview map

The white cross marks the position of these lava icebergs, southwest of the main vent for the Athabasca Valles lava flood plain, Mars’ youngest large volcanic eruption that covered in mere weeks an area comparable to Great Britain. The Athabasca eruption flowed first to the southwest, than split into two flows, one to the west and the second to southeast.

Though Athabasca is believed to be the most recent major volcanic eruption on Mars, it still happened a long time ago, 600 million years. This fact is confirmed by the white splotched craters on top of the lava. Scientists have in fact estimated the age by counting the number of craters, since they have a rough idea of the impact rate for Mars over the last few billion years or so, based on crater counts on the Moon.

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

One comment

  • Kipuka.

    From the Hawi’ian, meaning a feature that lave flows around, so that they appear to be islands in the stream, so to speak. I was recently at Craters of the Moon National Monument, where there are many examples of this.

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