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A detailed look at Chang’e-4

Link here. Lots of nice information, including the fact that Chang’e-3 seems to still be functioning in a limited manner, and that Chang’e-4 is depending not on solar panels but a radioactive thermal electric system, similar I think to the RPGs that NASA uses on its deep space missions. (I am uncertain however about this, based on looking at the video at the link, which seems to show solar panels on Chang’e-4. They could be instead panels to protect the spacecraft from the sun’s heat.)

They enter lunar orbit on December 12, and will likely land in the first week of January.

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.

 

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3 comments

  • born01930

    RPG’s? or RTG’s?

  • Col Beausabre

    Knowing the Chinese, it’s the local variant of the RPG-7

    https://en.wikipedia.org/wiki/Type_69_RPG

    Gotta be prepared for those sneaky aliens….

  • Jay

    I am seeing some people write that they are using an RTG and others saying it is an RHU. There is not a lot of information printed about this lander, but I bet they are using a Radioisotope Heater Unit (RHU) for heat and generate a little electricity with a thermocouple. Both lander and rover use photovoltaics for power. The RHU is a lot smaller than an RTG and we (USA) have used them on many Mars and outer planet missions for thermal management.
    I could be wrong, I wish there were more pictures of the lander, to see if has the heat dissipating fins of an RTG.

    I am interested in one of their micro-satellites that is observing the MF and HF radio bands.

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