Conscious Choice cover

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.

 

Available everywhere for $3.99 (before discount) at Amazon, Barnes & Noble, and all ebook vendors, or direct from the ebook publisher, ebookit. And if you buy it from ebookit you don't support the big tech companies and I get a bigger cut much sooner.


Engineers propose using SpaceX rocket and capsule to bring samples back from Mars

Engineering by powerpoint! Several NASA engineers have proposed using SpaceX’s Falcon Heavy rocket and an upgrade of its Dragon capsule to bring samples back from Mars.

The researchers have drawn up a plan that uses a modified version of SpaceX’s uncrewed Dragon cargo capsule, which has already flown six resupply missions to the International Space Station for NASA. The Red Dragon variant would include a robotic arm, extra fuel tanks and a central tube that houses a rocket-powered Mars Ascent Vehicle (MAV) and an Earth Return Vehicle (ERV).

Red Dragon would launch toward Mars atop SpaceX’s huge Falcon Heavy rocket, which is scheduled to fly for the first time next year. After a long deep-space journey, the capsule would touch down near the 2020 Mars rover (whose landing site has not yet been chosen). “Red Dragon can go anywhere the rover can go, as far as landing elevation and terrain,” Gonzales said. “We’re confident we could land in front of the rover and have it drive to us.”

Red Dragon’s robotic arm would then grab a sample from the rover’s onboard cache (assuming the 2020 rover does indeed carry its samples, rather than stash them someplace) and transfer it to a secure containment vessel aboard the ERV, which sits atop the MAV. If something goes wrong during this exchange, Red Dragon can simply scoop up some material from the ground using its arm. The MAV would then blast off from the center of the capsule, like a missile from a silo, sending the ERV on its way back to Earth. The ERV would settle into orbit around our planet; its sample capsule would then be transferred to, and brought down to Earth by, a separate spacecraft — perhaps another Dragon capsule.

I like this concept because it uses available or soon-to-be available resources that are also relatively cheap to adapt for the mission. I also warn everyone that this is, as I note above, engineering by powerpoint. It is a concept, hardly a real proposal. The track record of seeing these kinds of proposals by NASA actually happen is quite poor.

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2 comments

  • jburn

    It may be more than just a power point and represent a “trial balloon” on the part of some folks in NASA who want an entirely new way to explore space.

    As you mentioned, using the SpaceX technology base would represent an “off the shelf” approach which is distinctly different than what is typically used by NASA and the expensive “one of a kind” technology.

    This will likely rile some of the legacy space companies. Never-the-less it could potentially offer a rich scientific asset much sooner than would otherwise be possible.

  • PeterF

    The movie “The Martian” is due out in October. I hope the screen writers stuck to the book. The story was based on off-the-shelf technology available today.

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