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Dr. Jens Biele, Friday, 8-28-15 August 29, 2015

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Dr. Jens Biele, Friday, 8-28-15

http://archived.thespaceshow.com/shows/2543-BWB-2015-08-28.mp3

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Guest: Dr. Jens Biele. Topics: The Philae Lander & Rosetta Mission, DLR & ESA missions & more. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, https://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use. We do not permit the commercial use of Space Show programs or any part thereof, nor do we permit editing, YouTube clips, or clips placed on other private channels & websites. Space Show programs can be quoted, but the quote must be cited or referenced using the proper citation format. Contact The Space Show for further information. In addition, please remember that your Amazon purchases can help support The Space Show/OGLF. See www.onegiantleapfoundation.org/amazon.htm. For those listening to archives using live365.com and rating the programs, please email me as to why you assign a specific rating to the show. This will help me bring better programming to the audience.

We welcomed to the show Dr. Jens Biele of the DLR to discuss the Philae Lander as part of the Rosetta Mission to Comet 67P. During the first segment of our 1 hour 27 minute discussion, Dr. Biele summarized the Rosetta mission going back to its planning and development days, the flight to Comet 67PM and the Philae Lander’s anchor landing failure which he talked about at length. He also talked about communications from the lander to the orbiter and the narrow window for successful communications. We talked about solar and battery power, the type of data it can still transmit and related issues. Later, he was asked about other forms of propulsion including ion thrusters and advanced propulsion, plus he was asked if it would have been better to power the spacecraft by an RTG. He summarized some of the trades involved in making these types of decisions so don’t miss the discussion. BJohn asked about other DLR missions so MASCOT was discussed and later he discussed AIDA and AIM. As part of this discussion flyby missions were detailed and trojan asteroids were discussed. The subject of searching for life came up along with the discovery of organic molecules. Near the end of the segment, Roger from Rutgers asked if they considered Philae a success. Don’t miss his answer to this one. Other topics in this segment including drill samples, mission operating cost considerations, launcher choices and the shape of 67P which was a puzzle yet to be explained.

In the second segment, I asked our guest about the extremely long mission planning and design times coupled with the very long flight time and how that impacted people wanting to work space projects. As you will hear, it is not much different in Europe than here in the States with the same issues with NASA missions here. BJohn asked additional questions about future DLR missions and robotic exploration. This is the discussion that talked about both the AIDA and AIM European missions. Listener Helen asked about general European public support of ESA and space. You might be surprised by what our guest had to say in response to Helen so don’t miss it. In this context, Dr. Biele talked about ESA PR and its limitations and constraints. Toward the end of our program, he talked about human spaceflight, referenced Mars and going to Phobos as an initial part of human Mars exploration. When I asked our guest for closing comments, he said “If you dare you win. Take Some risks.” His final comments were ” Landers are cool!”

Please post your comments/questions on TSS blog above. You can reach Dr. Biele through me or his DLR website.

 

Can You Search This Database? (You can but see below!!) August 27, 2015

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Can You Search This Data Base?

(Yes you can but only on our new site. For details see www.supportthespaceshow.com)

Let’s go searchin now

Everybody’s learnin how

Come on and search with me

 

The only problem with this is that nobody’s “learnin” how and here’s why:

This is a small sample of our pre-2008 database:

2007

Dec/31/2007              Professor Joanne Gabrynowicz

Dec/30/2007             John Spencer

Dec/28/2007             Dr. George Robinson, attorney.

Dec/26/2007             Dr. Robert Farquhar.

Dec/24/2007             Robert Zimmerman.

Dec/23/2007             Dennis Wingo.

Can you search this data base for Space Show content, key words, various subjects and more? You can’t because there were no key words prior to 2008 and there is no interactive search capability with any of our programs in our current database. If you want to search pre-2008 programs, you could search for a particular guest name or the date, that’s all. If you make a note of the date and return to our home page on our existing website, then scroll down to the bottom to our chronological search engine, you can pull up each archived show and read the short summary and guest bio but there is no search capability or linkage of the bios and the summaries. Programs after 2008 do have key words but there is still no interactive search capability with our existing website and archives. By the way, we had 863 Space Show programs before we started using key words in January 2008 so about a third of our database is virtually invisible should you want to search for information, themes, data, or even subjects with these early Space Show programs.

You can help change this by supporting our campaign to modernize our website and archives. Not only will the website change for the good with features like an integrated blog using Disqus for comments, all our programs will have key words, be fully searchable, and our archives will equal the finest in archival quality. Join us in our Indiegogo campaign and help spread the word through your social networks. We need your support and help to bring to life the new website and archives. Check out our participation perks that include rare opportunities for Space Show sponsorship with banner messages as well as a verbal message on each show, hosting, co-hosting and many other incentives. You can even record a monthly short message and have it play on our homepage. For more information, visit our support site at www.supportthespaceshow.com. From there you can easily go to our Indiegogo campaign site. We are close to our goal. Please help us get there.

Thank you.

Dr. Space

Host, The Space Show

John Batchelor Hotel Mars, Wednesday, 8-26-15 August 27, 2015

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John Batchelor Hotel Mars, Wednesday, 8-26-15

Special Guest:  Dr. Curt Niebur

http://archived.thespaceshow.com/shows/2542-BWB-2015-08-26.mp3

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Guests: John Batchelor, Dr. Curt Niebur, Dr. David Livingston. Topics: The Cassini Saturn mission. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog. Comments, questions, and any discussion must be relevant and applicable to Space Show programming. Written Transcripts of Space Show programs are not permitted without prior written consent from The Space Show (even if for personal use) & are a violation of the Space Show copyright. We do not permit the commercial use of any Space Show program or part thereof, nor do we permit Space Show programs to be edited, placed on YouTube, or other private channels & websites. Space Show programs can be quoted in news articles, papers, academic & research work but must be cited or referenced in the proper citation format. Contact Dr. Livingston for questions about our copyright and trademark policies which we do enforce. This program is archived on The Space Show website, podcasting, and blog sites with permission from John Batchelor. Please visit the John Batchelor Show website for more information about this fine program, www.johnbatchelorshow.com. Remember, your Amazon Purchases Can Help Support The Space Show/OGLF (www.onegiantleapfoundation.org/amazon.htm). For those of you listening to archives on live365.com & rating the programs, please email me the reasons for your rating. This will definitely help improve Space Show programming. Thank you. Please note that audio and transition issues are a result of copying the John Batchelor broadcast & are not within my control as they originate in the Batchelor studio.

 

John Batchelor and I welcomed Dr. Curt Niebur of NASA HQ to update us on the Cassini mission and to talk about some of the amazing discoveries made so far by the spacecraft. Some of the specifics we talked about included the overall scientific knowledge gained from Cassini, the Saturn moons, the rings, and more. We talked about the Moon Titan, plus shielding the spacecraft when it flies within the rings by using the high gain antenna as a sort of an umbrella to protect the more delicate spacecraft from particle impact. Our guest was asked about the mysterious red arcs recently seen in a close flyby photo of Tethys, then we talked about the final Cassini mission, the Cassini Farewell Tour.

 

You can email Mr. Batchelor or Dr. Curt Niebur through me at drspace@thespaceshow.com.

 

 

Tim Dooley, Tuesday, 8-25-15 August 26, 2015

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Tim Dooley, Tuesday, 8-25-15

http://archived.thespaceshow.com/shows/2541-BWB-2015-08-25.mp3

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Guest: Timothy (Tim) Dooley; Topics: The Victorian Space Age and Tim’s new book, “Tales From An Alternate History.” Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, https://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use. We do not permit the commercial use of Space Show programs or any part thereof, nor do we permit editing, YouTube clips, or clips placed on other private channels & websites. Space Show programs can be quoted, but the quote must be cited or referenced using the proper citation format. Contact The Space Show for further information. In addition, please remember that your Amazon purchases can help support The Space Show/OGLF. See www.onegiantleapfoundation.org/amazon.htm. For those listening to archives using live365.com and rating the programs, please email me as to why you assign a specific rating to the show. This will help me bring better programming to the audience.

We welcomed back to the show Tim Dooley to discuss terraforming Venues from the perspective of his new book “Terraforming Venus: Tales From An Alternate History.” His excellent book is available at Amazon and if you purchase it using the OGLF portal (instructions are on our website and all archived summary programs including those on our blog) Amazon will make a contribution to TSS/OGLF. Visit Tim’s website, www.victorianspaceage.com. Also, it is important to note that Tim’s work is part of the steampunk genre and it is pure fantasy. Tim was not constrained by reality, physics, or engineering. His only limitations had to do with his imagination. Sit back and let your imagination go and enjoy the Victorian Space Age stories and times and the amazing images that Tim has produced to illustrate the stories. In our first segment, Tim introduced us to his storyline comprising Tales From An Alternate History. In addition, if you follow along with us on Tim’s Victorian Space Age website, he tells you how to access story lines he is discussing, how to see the illustrations, and to follow the time lines. I strongly suggest you listen to this show and follow along on the website. The first storyline we talked about focused on his book, “Terraforming Venus.” Tim introduced us to the main characters, the propulsion technology, and how Venus was terraformed by figuring out how to change the rotation period to match Earth’s rotation of a 24 hour day. Note again all of this is pure fantasy so let your imagination run wild as Tim details the Victorian Space Age for us, starting with activity on Venus. Later in the segment, Tim was asked how he handled life support issues, microgravity, spacesuits, and more. Given the Victorian Space Age and fantasy, Tim was not constrained by the realities of space travel so the Victorian Space Age space program could do just about anything in space. He also introduced us to silicon based life, to aliens, and in the second segment aliens become more a part of the timelines. In responding to a question about rockets, Tim said rockets were the mainstay of the space program in this period, even for interstellar travel. Don’t miss how he designed interstellar travel for this period. A listener asked if the Victorian Space Age was a private or commercial project or government run program. He said it was government but the US let down in some areas so the European Consortium stepped forward for Mars travel. Before the segment ended, he told us how he modeled a character regarding Mars travel after Dr. Robert Zubrin.

In the second segment, John from Ft. Worth called us to talk physics, fantasy and more. Additional clarification was given us on the European Consortium and Mars with Tim telling us how to access the Mars information on the website by going to the specific timeline and then to specific pages within the timeline. In response to another question, Tim said he has completed 32 stories but hopes to complete a total of 60 such short stories and four books. Other topics Tim was asked about included the use of airships during this time period, spaceports, gravity & radiation issues. Tim was later asked if any of the alien inhabitants on other planets got angry and attacked Earth. He said yes. He was also asked if different species mated with humans to create another species and he said yes, that too was in his alternate history. Dr. Doug emailed about science fiction and fantasy & wondered about readers wasting time with the fantasy, time that was not spent benefitting humanity. Note Tim’s response to Doug’s question plus my comments. I suggested not everything in space had to do with benefitting humanity and I loved a good fantasy and entertainment. Tim’s work is certainly that, no questions asked. Tim mentioned that being off world was a frequent concept he used as in his alternate history as humans were and are not confined to Earth. Later, Tim was asked about nuclear power in steampunk, how he dealt with health, illness, disease and related items in his timelines, then Tim from Huntsville called to ask Tim questions about writing a book and overcoming writer’s block. Tim concluded our discussion by focusing on “Terraforming Venus,” his alternate history timeline, his website, and his Facebook page.

Please post your comments/questions on TSS blog URL above. Tim can be reached through me or through his website.

Dr. Judith Curry, Monday, 8-24-15 August 25, 2015

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Dr. Judith Curry, Monday, 8-24-15

http://archived.thespaceshow.com/shows/2540-BWB-2015-08-24.mp3

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Guest: Dr. Judith Curry. Topic: Climate science, policy and politics. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, https://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use. We do not permit the commercial use of Space Show programs or any part thereof, nor do we permit editing, YouTube clips, or clips placed on other private channels & websites. Space Show programs can be quoted, but the quote must be cited or referenced using the proper citation format. Contact The Space Show for further information. In addition, please remember that your Amazon purchases can help support The Space Show/OGLF. See www.onegiantleapfoundation.org/amazon.htm. For those listening to archives using live365.com and rating the programs, please email me as to why you assign a specific rating to the show. This will help me bring better programming to the audience. We welcomed Dr. Judith Curry to the show to discuss climate science as Dr. Curry is a noted climate scientist from Georgia Institute of Technology. Follow Dr. Curry on her exceptional blog, Climate Etc. @ http://judithcurry.com. Her faculty page website at Georgia Tech is http://curry.eas.gatech.edu .

In the first few minutes of our 55 minute discussion with Dr. Curry, I asked her for a brief history & time line of when the issue of climate science got the attention of the public and started to be highly politicized. Dr. Curry traced it back to the late 90s and then the 2001 UN Assessment. I asked her about the partisanship, the public being confused, and more and she said these were normal states to be in regarding climate science which she said several times during the show was a “wicked mess.” Dr. Curry then gave us a brief history of warming trends going back hundreds of years, their possible causes and then she talked about the complexity of climate data and how hard it was to correlate, make assumptions with, and to draw useful conclusions for sound policy making. We talked about multiple sources of data collection from space resources to climate models. Regarding climate models, she said they run hot, everyone knows it, but it is very hard to fix the problem and then she explained why. Listeners asked about bias in the data, news reports, even with other scientists. Bias and the use of proxies to spread this or that perspective on climate science was all too common and is a problem. Another of Dr. Curry’s points was that given the problems with climate data, there are “deep uncertainties” regarding the state of climate science but that does not mean the risks should be ignored. The balancing act is to understand the data as objectively as possible to manage the risks in the best way possible. When asked by listeners about regulations, she said that a better way to mitigate possible climate problems was through the use of technology and innovation. Don’t miss her comments about this, especially as she applied them to the energy business. She also brought up the risk of serious unintended consequences to whatever we do, whatever policies we put in place, again because there is so much uncertainty with the data and the subject is very complex and not lending itself to simple solutions. Dr. Doug called the show to ask about solar cycles. Doug kept asking the question though our guest did respond. Specifically, I believe Doug was asking her how solar cycle length correlates with global surface temperatures. Listen to the exchange and see what you think about this mini-discussion. Later Doug sent me a graphical image related to his series of questions but our discussion had moved on plus I had no way of getting the graph to Dr. Curry for discussion. Listeners asked Dr. Curry about emissions, CO2, regulatory mandates and policy. Another question for Dr. Curry focused on scientific consensus regarding climate change issues. Don’t miss this discussion. BJohn asked about planetary science & solar system climate studies. Later, she was asked about testifying before Congress. Dr. Curry said there was a difference between testifying in the House as compared to the Senate. I asked if she had ever given a presentation to the UN or elsewhere. In response, she talked about her recent experience speaking before Parliament in the UK to the House of Commons. Compare what she said about the UK experience to her congressional experience. Near the end of our discussion, Dr. Curry spoke about her climate change and science blog, Climate Etc. per the above URL. If you are interested in these subjects, following her blog would be highly beneficial. Before the program ended, I asked if her graduate students came to the classes with a bias or if they were open minded in their climate science studies. I then asked if climate science in the U.S. was dependent on who the president was and what party was in power. Dr. Curry had very interesting comments on this plus she gave us the recent history of what happened to the field over the past several administrations, both Democratic and Republican. Finally, I asked how important it might be for the general public to have a good, bias free understanding of climate issues. Her response might surprise you so make sure you hear what she had to say about this and science education in general. A last minute question was asked about the famous hockey stick graph, then our guest provided us with good, solid closing comments.

Please post your comments/questions on TSS blog above. You can email Dr. Curry through me at drspace@thespaceshow.com.

We’re Looking For A Few Good Co-Hosts! Are You One? Do You Want To Find Out? August 24, 2015

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We’re Looking For A Few Good Co-Hosts! Are You One? Do You Want To Find Out?

August 24, 2015

From time to time, Space Show interviews would benefit from having a co-host with a special knowledge or expertise in the topics being discussed by the guest of honor. Through the use of selective co-hosts, The Space Show can do more in-depth and detailed interviews, especially in areas where Dr. Space would welcome added expertise. Now is your chance to be a Space Show co-host through our new Indiegogo Website & Archives Modernization program perk. For $90 for the year, you can co-host at least two programs over the next twelve months. You can select a program already scheduled with a guest or you can recommend your own guest and topic for the program(s) you want to co-host. Also, this may lead to additional Space Show co-hosting opportunities in the future. This special “find a co-host” program is only available as part of our Indiegogo project. When our Indiegogo fundraising project ends in early September, so does this perk along with the other great perks offered during our campaign. So listener, supporter, and Space Show friends, do you have what it takes to be a Space Show co-host? Do you want to find out? Do you want to co-host Space Show programs with Dr. Space? Do you want to help support our website and archives modernization project? If you answered yes to any of these questions, this perk is made for you. Don’t miss out taking advantage of it. Show us your stuff! We’re waiting to hear from you.

Dr. William (Bill) Rowe, Sunday, 8-23-15 August 24, 2015

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Dr. William (Bill) Rowe, Sunday, 8-23-15

http://archived.thespaceshow.com/shows/2539-BWB-2015-08-23.mp3

Your Amazon Purchases Helps Support TSS/OGLF (see www.onegiantleapfoundation.org/amazon.htm)

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Guest: Dr. William (Bill) Rowe: Topics: Possible magnesium deficiency for space walks, cardiology issues for astronauts. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, https://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use. We do not permit the commercial use of Space Show programs or any part thereof, nor do we permit editing, YouTube clips, or clips placed on other private channels & websites. Space Show programs can be quoted, but the quote must be cited or referenced using the proper citation format. Contact The Space Show for further information. In addition, please remember that your Amazon purchases can help support The Space Show/OGLF. See www.onegiantleapfoundation.org/amazon.htm. For those listening to archives using live365.com and rating the programs, please email me as to why you assign a specific rating to the show. This will help me bring better programming to the audience.

We welcomed Dr. Bill Rowe back to the show for this nearly two hour discussion regarding medical risks for spacewalks and astronauts. During the first segment, Dr. Rowe focused on a possible astronaut magnesium deficiency that would cause cardiovascular problems, especially with a space walk. Dr. Rowe explained why, talked about the adrenalin levels being 2 times those on Earth plus decreased plasma levels. He spent some time explaining these issues, their relationships to one another and why he believes them to be risk factors. In his discussion, he referenced health conditions for some of the Apollo era astronauts, plus he talked about microgravity issues and a possible mitigation strategy of using I.V. saline with the astronauts in space. At times the discussion was medically and technically complex but Bill broke it down for those of us not in the medical profession. He also talked about his experience over decades of practicing medicine and being a diagnostician, referencing many of his relevant patient studies along the way, including for example his work with Sy Mah. Dr. Doug sent in an email regarding dehydration and a headward fluid shift. Toward the end of the first segment, Dr. Doug called in to suggest that if an astronaut did an EVA in a pressurized rover vehicle rather than an Apollo era spacesuit, adrenalin levels and other risks would be mitigated. This was an interesting discussion with Dr. Rowe who did not agree with Doug’s premise. Listen and let us know what you think by posting on TSS blog.

In the second segment, Dr. Rowe started off saying more about the use of I.V. saline with astronauts, a topic he discussed in the first segment. . BJohn had several email questions asking about spacesuit gloves and exoskeleton gloves given what Dr. Rowe was saying about finger tips and related items. Other topics discussed in this segment included the ISS, the one year Twins Study, Vitamin D usage in space, iron risks for spaceflight, plus the implication for some of these space risks to the problem of terrestrial urban pollution. As he has done before, Bill advocated for the need to have subcutaneous pharmaceutical administration for astronauts, then he addressed issues relating to the calcium-magnesium ratio. Bill provided us with a good set of concluding comments, plus he suggested healthy guidelines for our lives right here on Earth.

Please post your comments/questions on TSS blog above. You can find out more about Dr. Rowe’s work by visiting his website, www.femsinspace.com.

Jeff Smith, Saturday, 8-22-15 August 22, 2015

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Jeff Smith, Saturday, 8-22-15

http://archived.thespaceshow.com/shows/2538-BWB-2015-08-22.mp3

Guest: Jeff Smith. Topics: The new Space Show website blog and comment interactive system. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, https://thespaceshow.wordpress.com.  Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use. We do not permit the commercial use of Space Show programs or any part thereof, nor do we permit editing, YouTube clips, or clips placed on other private channels & websites. Space Show programs can be quoted, but the quote must be cited or referenced using the proper citation format. Contact The Space Show for further information. In addition, please remember that your Amazon purchases can help support The Space Show/OGLF. See www.onegiantleapfoundation.org/amazon.htm. For those listening to archives using live365.com and rating the programs, please email me as to why you assign a specific rating to the show. This will help me bring better programming to the audience. Welcome to this new regular series in support of The Space Show Website & Archives Modernization Program. The Space Show will be bringing you daily short interviews (10-15 minutes each) with listeners who will share with us why they believe the new website and archival quality database will be important to them and enhance their Space Show listening experience.

 

Welcome to this special program featuring Space Show listener and supporter Jeff Smith. Jeff has shared with us why the new Space Show website with the integrated blog and commenting system is of value to him and others. Jeff had much to say about the importance of quality blog comments and how they enhance the program. With our new website, blog & Disqus commenting system, we will be offering the best possible experience to our listeners. Listen to what Jeff had to say about this and why his beta testing of the new site will contribute to having a state of the art blog and commenting system for all Space Show programs.

 

You can post your comments/questions about this segment or these short broadcasts on The Space Show blog at the above URL. In addition, please visit 1. Indiegogo project site: www.indiegogo.com/projects/oglf-and-the-space-show-modernization-campaign; 2. Our support site: www.supportthespaceshow.com; 3. Facebook Space Show page: www.facebook.com/OGLFTheSpaceShow?ref=hl.  Post your comments/questions on The Space Show blog above.

 

 

Space Show Website Project Update, Friday, 8-21-15 August 22, 2015

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New Perks for The Space Show Website & Archives Modernization Program!

 

  1. Become a Space Show Sponsor! We are offering you a very rare, unique and valuable sponsorship opportunity. You can have your banner across the top of the new Space Show website. In addition, your 60 second message will be read on air on each Space Show program. You will reach in excess of 20,000 a month on website hits alone as we are integrating our blog with our website. Your 60 second message will be heard by thousands more as they download and listen to Space Show programs, even a program that is five years old! For this special website and archives project, we are just about giving this away at $500.00 for the year. Secure your main banner spot before this perk sells out!

 

  1. Spread your message throughout the space community and more via our Space Show Listener Voices perk for only $50. Have you wanted to present your idea, theory, or suggested policy to thousands of people that will actually listen to you? Now’s your chance with The Space Show’s “Listener Voices Corner” perk. With this perk for the low cost of $50, you can have a one minute message broadcasting your special space thoughts across The Space Show website for a year. Listener Voices will appear on the right side bar of the home page and you are permitted a thumbnail image and a brief quote presenting your MP3. You can change your message once a month for the year.

 

  1. Would you like to Beta Test the new website? You can for this $100 perk. Be among the insiders who will beta test with web designer Spencer all aspects and features of the new website before it is ever disclosed to the public. This will include the new integrated blog with comments. Beta Testers will earn the distinction of Technical Advisor on The Space Show website Honor Roll.

 

Check out the rest of our campaign perks at http://www.indiegogo.com/projects/oglf-and-the-space-show-modernization-campaign/x/11584678#/story. For more details, visit our support site at http://www.supportthespaceshow.com.

 

Join with us in creating not just a new, benefit rich website for TSS, but also a fully searchable, data rich and archival quality database made to order to serve you for all your space needs. Spread the word about our campaign through your contacts and social media. For this to happen, we need your support and participations so jump right in, the water is better than fine!

 

Thank you.

 

Dr. David Livingston, Host

The Space Show

Dr. Lewis Dartnell, Friday, 8-21-15 August 22, 2015

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Dr. Lewis Dartnell, Friday, 8-21-15

http://archived.thespaceshow.com/shows/2537-BWB-2015-08-21.mp3

Your Amazon Purchases Helps Support TSS/OGLF (see www.onegiantleapfoundation.org/amazon.htm)

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Guest: Dr. Lewis Dartnell. Topics: Rebooting civilization after a cataclysmic event & extrapolating to starting a space settlement. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, https://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use. We do not permit the commercial use of Space Show programs or any part thereof, nor do we permit editing, YouTube clips, or clips placed on other private channels & websites. Space Show programs can be quoted, but the quote must be cited or referenced using the proper citation format. Contact The Space Show for further information. In addition, please remember that your Amazon purchases can help support The Space Show/OGLF. See www.onegiantleapfoundation.org/amazon.htm. For those listening to archives using live365.com and rating the programs, please email me as to why you assign a specific rating to the show. This will help me bring better programming to the audience.

We welcomed Dr. Lewis Dartnell to discuss his book, “The Knowledge: How To Rebuild Civilization In The Aftermath Of A Cataclysm,” then applying it to starting up a space settlement regardless of where the settlement might be located. During our 68 minute discussion, Dr. Dartnell started out by giving us the background to his having written the book, some of the applicable constraints for the book, and that it was written for terrestrial events though there were ways to extrapolate some of it to space settlement issues. Dr. Dartnell explained what it would take to reboot civilization depending on why it was destroyed. He listed three possible sources of destruction. One was a viral epidemic or pandemic, another was nuclear war, and another was being hit by a large asteroid or something similar. He also said it might be easier to reboot after a pandemic because infrastructure would still be standing and largely available for use whereas with the other two, destruction would be overwhelming. We talked about skill sets needed to reboot, then we talked about the minimum size for a new community to start over. Here we extrapolated to space, exploring what it would take to start a space settlement. The initial numbers were high but not as high as what would be needed later on. The need for genetic diversity was also high. Several times he referred to needing more women than men for breeding to seed the new settlement, but without genetic diversity and in light of possible in-breeding to get the early numbers up, generations of humans might be born that were genetically weak and that could be a problem. Genetic diversity, needing more women than men, microgravity and radiation issues were just a few of the challenges for the new space settlement. Past the initial number to get the settlement going, to sustain it there would be a need for thousands in the community. You don’t want to miss this discussion as it was an eye opener. Don’t miss why he said he would rather start a new Earth settlement even after a horrific cataclysm than a Martian settlement. He said the Earth settlement would be far easier no matter what the challenges than the Mars settlement. Dr. Dartnell then talked about the possibility that someday an Earth-like exoplanet would be discovered so we compared starting a settlement there as opposed to Mars. To make this comparison, we zeroed out all issues relating to space transportation. You might be surprised by what Dr. Dartnell concluded. Later we compared a lunar settlement with the other two. Much of our discussion revolved around the fact that Earth was and is habitable and even after the horrific event, would remain habitable. Mars is not habitable nor is the Moon. That fact alone is a huge contributor to complexity and challenges. Listeners emailed and called to ask Dr. Dartnell questions ranging from the number of skilled people needed to start a space colony to having sperm banks in space for the genetic diversity required for the new settlement to how free floating habitats might be different in their requirements as compared to planetary settlements. Questions were asked about the problems resulting from human exposure to unfamiliar biology, human contamination of the planet, and the planet contaminating the humans. These were all interesting discussions so you definitely want to hear the full 68 minute program.

Please post your comments/questions on The Space Show blog above. You can contact Dr. Dartnell through me or The Knowledge website, http://the-knowledge.org/en-gb.

 

 

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