The Space Show
The Space Show
The Space Show focuses on timely and important issues influencing the development of outer-space commerce, space tourism,space exploration and space development. The Space Show is committed to facilitating our becoming a space-faring nation and society with a growing and self-sustaining space-faring economy. The Space Show also focuses on other related subjects of interest to us all.
Station feed:  Created by: David Livingston |
Created on: 12 May 2005 Language: English |
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Brent Sherwood, Sunday, 2-14-10 (53.85MB; download) -- Guest: Brent Sherwood. Topics: NASA Flexible Path based on the Augustine Commission Report. Brent Sherwood returned for this Space Show program to present a detailed discussion the potential NASA Flexible Path for our coming civil space policy. In our first segment, Mr. Sherwood explained the basis of the Short Study conducted by various NASA centers and participants during the Fall 2009. Brent was the Study Coordinator. This is an important discussion as Brent outlines the purpose of the study, who participated, why, and much more. As he said, the main issue involved how to define the ultimate space policy goal and separate the goal from a destination goal. Later he said there was a focus on three missions including the assembly of very large telescopes, going to a NEO, and visiting Phobos, the largest of the Martian moons. There are also three nasaspaceflight.com articles you should read on these issues as they leaked information from the study project.
1. Mars and Phobos: www.nasaspaceflight.com/2010/01/taking-aim-phobos-nasa-flexible-path-precursor-mars/; (2) Very large telescope construction in space www.nasaspaceflight.com/2010/01/manned-mission-to-construct-huge-geo-and-deep-space-telescopes-proposed; (3) Visiting NEOs www.nasaspaceflight.com/2010/01/nasas-flexible-path-2025-human-mission-visit-asteroid. Brent outlined the characteristics of the flexible path so you definitely want to pay close attention to what he described. This is a very interesting, comprehensive, and important discussion. In Segment Two, our last and longest segment, we talked about why a visit to Phobos was easier and less costly than a trip to Mars. Brent also described why going to Phobos was more interesting that the smaller Martian moon, Deimos. Phobos is probably a captured asteroid and has many interesting qualities to it. Again, a very interesting discussion. During this segment, Bob Werb called in and asked if the flexible path was really different. This led to a lengthy discussion about the flexible path, how we did things in the past with Apollo and ISS, game changing technologies, and more. Bob asked if this was really a plan to return NASA to the "glory" days of NACA. Don't miss what Brent had to say about this. Brent fielded many additional listener questions about a NASA flexible path, mission costs, and NASA budgets. He talked about what makes a mission interesting and valuable. Toward the end of the program, Brent discussed the very large telescope idea in some detail, including placement at the various Le Grange points between the Earth and the Moon and Sun. He explained what such huge telescopes could accomplish and even "see." If you have a question or comment for Bent Sherwood, please send it to me at drspace@thespaceshow.com and I will forward it to him.
Selected by: David Livingston [ stations ], Mon, 15 Feb 2010 16:42:11 UTC
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Kris Kimel, Friday, 2-12-10 (60.24MB; download) -- Guest: Kris Kimel. Topics: Kentucky Space innovative space programs. Kris Kimel returned to update Space Show listeners on new Kentucky Space programs and projects. For more information, visit www.kentuckyspace.com. In our first segment, Mr. Kimel told us about the Kentucky Space cubesat program with Professor Bob Twiggs. We also learned about the approaching suborbital launch on Feb. 24 and the upcoming Glory Mission with a Kentucky Space satellite launch to orbit out of Vandenberg later this year. Kris also discussed all of the 2010 launch plans for Kentucky Space. We talked about Professor Twiggs, the possibility of working with Interorbital Systems (www.interorbital.com), and much more. The Kentucky Space NanoRack project came up and Kris had much to say about this project throughout our two hour program. This is a fascinating commercial project which we have discussed before with Jeff Manber. As we started our second segment, we continued the NanoRack discussion and inquired about ITAR issues if launched on a foreign rocket and if placed on the Russian module of the ISS. Kris then physically described a NanoRack container. We talked about the opportunity being available to any individual or company as long as they meet the materials and safety requirements established for its presence on the ISS. There is no approval of the experiment. Kris said that the experiments will be astronaut tended and that NanoRack payloads give way to NASA priorities for the ISS. Later in this segment we talked about student opportunities and learned that Kentucky Space student opportunities start in high school and go on to graduate school. In our third segment, we discussed suborbital launches and sounding rocket launches at White Sands and near Mojave with Garvey Space. Balloon launch was discussed as was the possibility of doing projects with JP Aerospace. Kris also talked about the possibility of using the upcoming suborbital space tourism flights for both suborbital and orbital cubesat launches. Throughout the program, we addressed the shortage of academic launch possibilities, what this means for the academic community and the nation as a whole , plus students. Later in this segment, I asked Kris for a preview of the Kentucky Space five year plan. We talked a lot about their commercial and entrepreneurial space focus and the need to have value added payloads. This is an important discussion you will not want to miss. Toward the end of this segment, we started discussing the Kentucky Space plan to pursue an Exo-space medicine disease mitigation and health enhancement program in microgravity. This sounds like a fascinating and potentially very important program. As we started the fourth and final segment, we continued on with the medical discussion and access to Kentucky Space programs for non-residents of Kentucky. Toward the end of the segment, we talked about innovation and creativity and the role of serendipity in coming up with progress. Don't miss this fascinating discussion. As we concluded our discussion, Kris talked about the need to pursue persistence and passion. If you have a question or comment for Kris Kimel, please email him at kkimel@kstc.com. Selected by: David Livingston [ stations ], Sat, 13 Feb 2010 18:38:30 UTC
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The Space Show Classroom Lesson 2 Rocket Equation, Tuesday, 2-9-10 (54.38MB; download) -- Guests: Classroom guest panelist Paul Breed with co-hosts Dr. Livingston, Dr. John Jurist, Dr. Jim Logan. Topics: The Rocket Equation and why it matters. Welcome to Lesson 2 The Rocket Equation in our Space Show Classroom series. This nearly two hour program focused on The Rocket Equation, how to understand it, use it, and why we build and launch rockets the way we do. In the first of two segments, Paul Breed began our discussion using his presentation materials posted on The Space Show Classroom blog, http://spaceshowclassroom.wordpress.com. This is a very comprehensive discussion and explanation of the rocket equation and the physics and engineering governing the launching of chemical rockets. Paul and our co-hosts talked at length about the difference between suborbital and orbital, the amount of energetic differences in the two and why going to orbit is 25 times harder than suborbital flight. We talked about fuel, mass rations for the rocket full of fuel and payload as well as the rocket's dry weight mass ratios. We talked about the need to accelerate to a minimum of 17,000 mph and the 1,000 mph boost the rocket gets from launching west to east at the equator which diminishes to only about a 300 mph if you launch from a polar site. The penalty for launching east to west was described and Israel was the example. Comparisons were made to the Saturn V rocket and jets. We talked about why a big rocket has less of a launch penalty than a small rocket, the SSTO was examined so that all of us would understand why it is so difficult and illusive to build. We talked about why wings, landing gear and reusable robustness work against the orbital vehicle but are better for the suborbital vehicles. Air-breathing rocket engines were discussed along with jet engines, and toward the end of this segment, we got into the rocket' equation significance for costs. In our second segment, Paul took us through the rocket characteristics, mass, and costs for the typical Lunar Lander Challenger rocket. Paul said such a vehicle would have a gross takeoff mass of 3,000,000 pounds! Air drag was discussed in both segments of the show but again applied to small rockets in this segment, thus within certain limits, an air launch of a smaller rocket is useful. Paul explained why in his opinion the ramjets, scramjets, and hypersonics don't make sense other than for the military or only for upper atmospheric operation because at best they can only produce about 16% of the needed energy for orbit. During this segment, we explained rocket staging. As you will hear, each stage is planned and designed using the rocket equation but builds upon the performance of the preceding stage. Later in this segment, Dr. Logan used the Space Shuttle and the SMEs as an example of mass ratios for payload. This example dramatically describes what Paul, John, and Jim talked about during this rocket equation program. Near the end of Lesson 2, we discussed possible propulsion and space access from other means that would allow significantly better performance given the rocket equation constraints or even not be subject to the rocket equation including nuclear, the space elevator, fusion, and non-chemical rockets. We also talked about the difference in fantasy and reality and all our participants said that the fantasy while important, does not work for space exploration. Space exploration requires reality and reality is not interchangeable with fantasy. The issue of changing orbits came up, carrying more fuel on an emergency Space Shuttle flight, and why its not practical or doable and even insignificant given the ratios for the shuttle. If you have a comment or question for any of the participants on this Classroom program, please post it on the blog. E-mail addresses for the three co-hosts are listed on the blog. For Paul Breed please use paul@rasdoc.com. Selected by: David Livingston [ stations ], Wed, 10 Feb 2010 17:02:01 UTC
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Robert Zimmerman, 2-8-10 (57.78MB; download) -- Guest: Robert (Bob) Zimmerman. Topics: Proposed U.S. Space Policy. Robert (Bob) Zimmerman was our guest for this three segment two hour show devoted almost exclusively to discussing the new proposed space policy as put forth by the Obama Administration on Feb. 1, 2010. While this program was in three full segments, to summarize it by segment would be too limiting. Bob discussed the proposed space policy throughout the show. Listeners called and sent in questions and I promise all the listeners that there is something in this discussion that will anger you, please you, possibly even make you giggle or laugh. That is there is something in what Bob said about the policy and the Obama Administration that will resonate with everyone regardless of their liking or disliking the new proposed policy. It seems the shift to commercial launchers is desirable but when and how remain the question. The impact of the policy on human spaceflight was discussed at length. I did one of my usual rants on the economic problems facing the country and the space program. We discussed what it likely means for space when all there is happens to be fiat money. I'm quite sure many will disagree with what I had to say and with what Bob also said, but without some economic stability entering the picture, it won't just be space programs facing hardship in the out years. Bob talked about the commercial launchers, the need to have competition, the lack of strategy from the top down in the Executive Branch, and he openly guessed at a possible budget outcome at the end of this year. We both talked about the idea of a shuttle extension but recognized such an idea was DOA. Bob commented that the proposed policy does not really mandate or set a plan or goal for flights, it only just talks about such activities as if they are possible. As you will hear, it’s a comprehensive discussion of what is known about the policy plan so far and to many, its controversial and Bob's comments will also be considered controversial. If you have questions or comments for Bob Zimmerman, you can find his email address near the bottom of his website, http://members.bellatlantic.net/~vze3cxxp/zimbib.htm or you can forward it to me at drspace@thespaceshow.com. Selected by: David Livingston [ stations ], Tue, 09 Feb 2010 03:50:30 UTC
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Frederick Ordway, Sunday, 2-7-10 (51.03MB; download) -- Guest: Frederick Ordway. Topics: Space leadership, space policy, Wernher von Braun leadership as compared to space leadership today. Frederick Ordway III, author of "The Rocket Team," returned to discuss the release of the new Apogee edition of his book. His book is available on the One Giant Leap Foundation book page and if you buy it through this link, http://www.amazon.com/dp/1894959825?tag=onegialeafou-20, Amazon makes a contribution to OGLF/The Space Show. In our first segment, Mr. Ordway provided us with a first hand background of von Braun and his rocket team. He talked about the genesis of the team going back to the 1920's in Germany. He also talked about the arsenal system for building rockets and the differences in that system with those of the Air Force system. In bringing the discussion forward to the present time, Fred suggested that the big risk was canceling the in-house Ares 1 arsenal type system, giving up that long standing heritage, having no target to aim for, no mission, placing even our astronauts and their future at risk. Make sure you listen to Mr. Ordway's comments on these important issues. In our second segment, Anthony in the U.K. called in and Fred told about his U.K. experiences, the relationship with the UK, and the rocket team dating back through World War 2. This is a history many of us do not know very much about. Listener Marshall wanted to know just how important the Administrator's budget recommendations were and this resulted in Mr. Ordway talking about the budget and its potential impact on the space program. He also commented that in the past we have man rated ballistic missiles including the Redstone, Atlas, and the Titan, all successfully and we could do it again. But he stated that while this could be done, the danger was in dismantling the legacy of how we develop and build human spaceflight rockets. Several times during this discussion, Mr. Ordway suggested we were putting our Saturn heritage rockets at risk. Other listeners asked about the Chinese space program and Fred used the term "ChinAmerica." Don't miss this discussion. The conversation kept coming back to the proposed new space policy and our guest said that using EELV for human spaceflight was a valid and he also talked about the need to continue with the ISS and to fully use it for science and more. Fred received lots of questions about recapturing the Apollo spirit for our nation's space program. One listener suggested we should stop dwelling on Apollo and move forward. Fred talked about the uniqueness of Apollo in that it was a first and that made a huge difference. Later in this segment, he talked about von Braun being awarded the second slot in the Top 100 Stars of Aerospace poll in 2003. Toward the end of this segment and the program, Fred was asked for some lessons learned from the period of the Rocket Team to be applied to today. He suggested it was very important to maintain the team, keep and maintain a steady budget, and Congress needs to balance out important issues. If you have questions or comments for Frederick Ordway, please email him at ordmars@aol.com. Selected by: David Livingston [ stations ], Mon, 08 Feb 2010 15:58:18 UTC
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The Space Show Classroom Introduction, Tuesday, 2-2-10 (36.92MB; download) -- Guests: Classroom Co-hosts Dr. David Livingston, Dr. John Jurist, Dr. Jim Logan. Topics: Introduction to The Space Show Classroom program series. This program was the introductory program to The Space Show Classroom series hosted by The Space Show. Co-hosts Dr. Jurist and Dr. Logan were with us for this initial program. We explained why the three of us developed The Space Show Classroom, what the goals and objectives are for the program, we explained the rules of the Classroom blog, and we discussed the Classroom Syllabus. The Classroom series consists of 22 unique programs. The Syllabus will be posted on The Space Show Classroom Blog which is located at http://spaceshowclassroom.wordpress.com. For the Classroom series of programs to work, please honor the rules for the Classroom discussion which are posted on the blog. The use of the blog and staying on topic with the specific Classroom subjects is essential . This introductory program is slightly more than one hour in length without a break. Toward the end of our first show, Dr. Logan said this should be a learning experience and people will get out of it what they put into it. Both Dr. Jurist and I agree with this. Near the end of the program, I explained the term paper option for those listeners interested in writing a term paper. Your questions on the paper and the Classroom are certainly welcome. If you have comments for us directly related to The Space Show Classroom, you can email me at drspace@thespaceshow.com. Both Dr. Logan and Dr. Jurist can be reached at their addresses at http://spaceshowclassroom.wordpress.com/contact-us. Again, note that for questions, comments, and feedback during a live program, you must use the toll free line, the email addresses available for all Space Show programs, or the chat ScreenName, "spaceshowchat." Selected by: David Livingston [ stations ], Wed, 03 Feb 2010 05:42:18 UTC
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Donald Beattie, Monday, 2-1-10 (39.36MB; download) -- Guest: Don Beattie. Topics: U.S. civil space policy in the 2011 budget, Space Shuttle retirement. Donald Beattie returned as our guest to discuss his book, "ISScapades: The Crippling Of America's Space Program" which can easily be applied to our situation today given the Administration's 2011 budget and civil space policy announcement. The book can be purchased from the One Giant Leap Foundation book page by using this URL: http://www.amazon.com/dp/1894959590/ref=onegialeafou-20. When buying books through the OGLF Amazon Partners book website, Amazon makes a contribution to OGLF/The Space Show. In our first segment, Mr. Beattie told us why in his opinion we should not retire the Space Shuttle. We discussed the probable shuttle retirement as outlined in the Obama 2011 budget but Don also talked about the impact retirement would have on space and how it could be kept flying for at least two missions a year through 2016. He also told us about his discussions on the subject with Florida Members of Congress and their reactions. This is a discussion you do not want to miss. As you will hear, there is a way to keep shuttle from retiring and Don believes that cancelled lines could be restarted without much significant added cost. He also believes that by keeping shuttle flying there would be no GAP and this would be a good transition to the use of commercial launchers for human spaceflight. In our second segment, we discussed the cancellation of our returning to the Moon and instead substituting NEOs and Mars. However, he pointed out that all of these missions were lower in priority than specific science missions including getting a centrifuge on the ISS. The subject of the Space Shuttle Main Engines came up as did Bigelow's space station. We also talked about converting EELV to human spaceflight. In our final segment, Don said he was impressed that the Administration actually listened to the Augustine Commission Report. We talked about how the VSE was never properly funded, administered, or explained to the general public, a theme regular Space Show listeners have heard me say since the VSE was announced in 2004! We also talked about the need to have a transition, hopefully a near seamless transition, from government launchers to commercial launchers so that the transition was not so harsh and the risk not so great as in putting all the eggs in one basket. Listeners called and asked lots of questions during the show but we were reminded of the flight tests that were used for the Saturn 1B, then how quickly the Saturn V flew with astronauts on board. Don had much to say about NASA and its management back then versus that of today. If you have questions or commend for Donald Beattie, please send them to me at drspace@thespaceshow.com and I will forward them to him.
Selected by: David Livingston [ stations ], Tue, 02 Feb 2010 05:39:48 UTC
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Les Johnson, Sunday, 1-31-2010 (45.45MB; download) -- Guest: Les Johnson. Topics: Environmentalists and space advocates, using space to improve condition on Earth now. Les Johnson returned to The Space Show to discuss his new book, "Paradise Regained: The Regreening of Earth." This book is available at the One Giant Leap Foundation book website, http://www.amazon.com/dp/0387799850?tag=onegialeafou-20. Remember, if you buy it through OGLF, Amazon makes a contribution to The Space Show. In our first segment Les provided us with an introduction to his book and the need to use space to better the living conditions for the peoples of the world today and the future. We discussed the cost to the taxpayer for our space program and Mr. Johnson referred to the potato chip comparison. He talked about the need for the development of a long term strategy for utilizing space resources and for the Moon, plus other benefits that come from space development. Toward the end of the segment, we discussed the fact that there was no ecosystem on the Moon despite some groups saying if we went to the Moon we would damage or even destroy the lunar environment. We also talked about lobbying for space based solutions to Earth's problems, NASA as entertainment according to one listener and the potential for fusion and the use of HE3 on the Moon. In our second segment which lasted to the end of the program, we talked about the obvious conflict within the environmental community and with space advocacy. Our guest explained why both groups have much in common and are a natural to work together. We discussed extremist positions in both camps and how to improve on the exchange so that our areas of mutual interest can be developed. Mr. Johnson's book does an excellent job of speaking to both communities on these important areas of common ground so I strongly recommend you read and understand it. We also talked about the moral and ethical issues regarding the extreme environmental position versus going outward to space. This is a discussion you must hear. Later in this segment, Andrew called in and talked about myths in both communities and the lack of spirituality in the space community while being strong in the environmental community. This too emerged as an important discussion topic so listen carefully to what all of us had to say on this issue. SSP came up and our guest talked about its importance to everyone on Earth and how it could inspire us. Listen to what he had to say about inspiration. Later in this segment, I asked him for three solutions from his book to the problems we had been discussing. Listen to what he says those three solutions are and see if you agree. All are detailed in his book. As we moved toward the end of the show, we talked about the need for civility in the space advocacy community, leadership in the space community and what that might mean for spreading space advocacy views to a wider audience, and about the space community engaging more of the spiritual. Visit the Less Johnson website at http://lesjohnsonauthor.com. If you have a question or comment for Les Johnson, please email him from the website or at les.mail@lesjohnsonauthor.com.
Selected by: David Livingston [ stations ], Mon, 01 Feb 2010 01:10:51 UTC
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Dr. Haym Benaroya, Friday, 1-29-10 (59.20MB; download) -- Guest: Dr. Haym Benaroya. Topics: New space policy, return to the Moon, Mars, the need for a grand space vision. Dr. Haym Benaroya, author and Rutgers University engineering professor, returned to discuss his two new books and the preliminary reports pertaining to the new space policy to be announced Feb. 1, 2010. In our first segment, Dr. Benaroya introduced us to his two new books which will soon be available on the One Giant Leap Foundation book page. You will be notified when they are available for your purchase. The two books are "Lunar Settlements" and "Turning Dust To Gold." It did not take us long to get Professor Benaroya's thoughts on the preliminary news about the forthcoming changes in our space policy, including the cancellation of the return to the Moon program. Dr. Benaroya spent most of the show talking about this and related issues and he believes it means to the U.S., education, leadership, etc. to cancel the Moon program. In fact, you will hear similar thoughts from our UK listener in the fourth segment of the program. In the first segment, we also talked about the probability of another nation getting to the Moon instead of us and what that might mean for the U.S. In the second segment, we talked about student interest in certain academic programs knowing the government had terminated the Moon program. Dr. Benaroya had interesting thoughts on that given he has ten undergraduate students in his lunar engineering course. He then focused on international partnerships for lunar development as outlined in his book, "Turning Dust To Gold." Toward the end of this segment, he received a call from a Huntsville listener asking if having a PhD helped or hurt one's chances for getting a job in the space industry. You might be surprised by Haym's response to this listener. In our third segment, we talked about the loss of jobs along the Florida space coast due to the closing down and retirement of the Space Shuttle and in general, the loss of jobs within the space workforce. Another listener asked our guest to make the business case for the Moon. Listen carefully to what Dr. Benaroya said and how he responded to this question. I actually think its one of the best responses to this often asked question I have heard. We talked about the Japanese interest in going to the Moon and the opportunity cost issue for investing in the Moon versus something else. At the end of this segment, a San Diego listener asked our guest how best to get our elected representatives to listen to us given the current political climate in which its now established they don't listen that well to what we have to say. Haym offered some suggestions and I suggested personal visits to staffers in local offices. In our final segment, Charles called in form Mojave and said that if the early press reports were correct about the space policy, the cancellation of Ares would be equal to a magnitude 7.0 earthquake for NASA. He said he hoped this would afford us the opportunity to take a good, hard look at NASA and start revamping the organization. Neither the guest or I thought this would happen. Dr. Benaroya talked about the continuity of space policy from one administration to another and the dangerous signals sent to the community when one administrations cancels the programs of the earlier one. This is an interesting discussion so you don't want to miss it. Toward the end of this segment, Dr. Benaroya spoke at length about the importance and value of a space vision for a great country. If you have a question or comment for Dr. Haym Benaroya, please email him at benaroya@rci.rutgers.edu.
Selected by: David Livingston [ stations ], Sat, 30 Jan 2010 03:17:23 UTC
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John Powell, Tuesday, 1-26-10 (58.00MB; download) -- Guest: John Powell. Topics: Airships to orbit, balloons, team management and leadership. John Powell returned for this two hour program to update us on the progress made by JP Aerospace. In our first segment, John told us that JP Aerospace celebrated its 30th anniversary in 2009. He told us how he got started, what made the year 2009 special with the Discovery and National Geographic TV programs, and the Toshiba commercial with the chair going up on the balloon to promote big screen TVs. Check out their website for more details and to see the Toshiba commercial pictures, www.jpaerospace.com. He also talked about the progress being made with the airship to orbit program, the type of computers used on board which are Basic Stamp from Parallax. John told us he was working on a second Toshiba commercial to be filmed in April 2010 and that they have a goal for JP Aerospace of reaching 160,000 feet in the near future. John received several listener phone calls throughout the shows. The initial call was about lifters and hybrid quad engines and plasma and chemical engines. At the end of this segment, he talked about the V shaped airship. In the second segment, our next caller asked about the organizational structure of the company and why people volunteer for it. This turned into a lengthy discussion and we kept coming back to it throughout the show. Understanding John's management style is important and there is much in it that can benefit us all regardless of what we are doing. Later in the segment, Charles called in and sparked an interesting conversation about the laws of physics and that the orbital airship cannot be done. Pay attention to this discussion. What do you think? Toward the end of the segment, we returned to leadership issues and John said the Team is everything. He talked about the company buying a Skypup airplane and updated us on the PongSat program. We started the third and final long segment with a call from New Hampshire inquiring about doing business in California and the regulatory requirements JP Aerospace faces both in California and where he flies in Nevada. Later he talked about the Tandem Airship project which is to fly early this summer to 100,000'. John received additional calls about a helium transfer pump and high speed GPS. John also described how to be a volunteer for JP Aerospace and then the discussion went back to gravity losses and electrostatic propulsion as a way of solving problems. John explained their use of an ion engine and much more. Toward the end of this last segment, he told us he reached a milestone in September 2009 during the Toshiba commercial. Listen to him describe this milestone! He said it was a "Passing The Torch" moment! If you have comments or questions for John Powell, you can email him at jpowell@jpaerospace.com. Selected by: David Livingston [ stations ], Wed, 27 Jan 2010 17:53:15 UTC
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