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Readers!

 

It is now July, time once again to celebrate the start of this webpage in 2010 with my annual July fund-raising campaign.

 

This year I celebrate the fifteenth anniversary since I began Behind the Black. During that time I have done more than 33,000 posts, mostly covering the global space industry and the related planetary and astronomical science that comes from it. Along the way I have also felt compelled as a free American citizen to regularly post my thoughts on the politics and culture of the time, partly because I think it is important for free Americans to do so, and partly because those politics and that culture have a direct impact on the future of our civilization and its on-going efforts to explore and eventually colonize the solar system.

 

You can’t understand one without understanding the other.

 

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Ingenuity completes 7th flight on Mars

Locations of Perseverance and Ingenuity on Mars
Click for interactive map.

Ingenuity yesterday successfully completed its 7th flight on Mars, heading south and landing exactly as planned.

Ingenuity lifted off around 12:34 local mean solar time on Tuesday, which corresponds to 11:54 a.m. EDT (1554 GMT). As planned, the chopper then traveled 348 feet (106 meters) south from its previous location on the floor of Mars’ Jezero Crater, staying aloft for nearly 63 seconds, JPL officials wrote in another tweet. The solar-powered rotorcraft set down at a new airfield, the fourth one it has reached since landing on the Red Planet with NASA’s Perseverance rover on Feb. 18.

Both the rover Perseverance and Ingenuity are traveling south on the floor of Jezero Crater, with the helicopter leapfrogging ahead every few weeks. On the map the red dot indicates Perseverance location, with the green dots Ingenuity’s last three landing sites. They have not yet added to the map exactly where Ingenuity landed yesterday (#7), so I have estimated it based on the information above.

The red outline indicates the region they are planning to explore over the next few months in order to gather a very thorough understanding of the geology of the floor of Jezero Crater. They will eventually head to the northwest towards the cliffs in the upper left, which is the foot of the large delta that flowed in the past into the crater through a gap in its western rim. The route they will take to get there however remains undetermined.

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

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