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      "body": "![](https://ci5.googleusercontent.com/proxy/Kdd6VCTRXzlLjOBuIgCAZsjqydbGt6gU_xDGt6JOknP3eyTn3KD9SWCxZ3AzPJk1FpQEa_OOXnUqQRlqxhalNH4POepUVbaMyterFJlgCXKQPbo9yaEJ21uB1-dSFiprN8az2IHQ2h0alNHtjwnqPdRKys8eOaytxttadMU=s0-d-e1-ft#https://gallery.mailchimp.com/511ff2b7940fe141c00b44b1a/images/0d2d6e10-d4c1-4b3b-9554-707931b4cb40.jpg)\n\nIf you haven't noticed, the United Arab Emirates is sprinting, full-force, into Space.\n\nUp until last year, they've hosted all of [World Space Risk Forum ](https://www.worldspaceriskforum.com/)events and in 2020, Dubai will play host city to the [International Astronautical Congress](http://www.iafastro.org/dubai-uae-to-host-iac-2020/). \n\nTheir [Space Agency](https://mbrsc.ae/en) is going on a recruiting spree for not only scientists and engineers, [but astronauts as well](https://mbrsc.ae/astronauts/), and has a number of projects in the works including the [first satellite](http://www.khalifasat-thejourney.com/en/) to be manufactured in the UAE, and [mission to Mars](https://mbrsc.ae/en/page/mars-probe). \n\nEven the company behind [.Space](https://launch.space/) happens to be located in the UAE!\n\nIt's wonderful to see such commitment by a nation-state to pursuing Space advancements, and we hope the UAE also takes steps to enable a thriving \"Astropreneurial\" community as well.",
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      "body": "[This is a repost of this article here](https://denniswingo.wordpress.com/2018/02/08/why-waste-resources-on-space-the-value-of-sending-a-car-into-space-on-the-falcon-heavy/)\n\nIntroduction\n\nAs someone who has worked in the space arena for a long time, I, as well as millions around the world are still basking in the happy glow of the successful launch of the SpaceX Falcon Heavy commercial launch vehicle with its payload of a Tesla Roadster and its space suited passenger (nothing in the suit really).  However, as inevitably is the case, there are some that do not like that this happened.  The cry is that the resources spent in this venture could be better spent solving X,Y, or Z earthly problem.  While this sentiment is understandable, it is an example of linear thinking that misses the entire point of technology and its benefits to our civilization.\n\nIn an article by Nathan Robinson from the Guardian the sentiment of “why this waste” is illustrated ([Why Elon Musk’s SpaceX Launch is Utterly Depressing](https://www.theguardian.com/commentisfree/2018/feb/07/elon-musk-spacex-launch-utterly-depressing)).  The money quote is reproduced here.\n![](https://denniswingo.files.wordpress.com/2018/02/screen-shot-2018-02-08-at-7-47-29-am.png?w=768)\n\nThis sentiment raises its head every time such popular space feats happen. In a Life magazine article from 1969 a similar sentiment was heard. \n\n![](https://denniswingo.files.wordpress.com/2012/12/screen-shot-2012-12-29-at-6-34-20-pm.png?w=768)\n\nMrs Reynolds and Mr. Robinson both miss the point of such ventures.  Mrs. Reynolds (and the writer that featured her) and Mr. Robinson both fall prey to the “preferential allocation of resources fallacy” (I made that one up).  It is their postulate that only if money were spent on what they think would be best such as poor children and and or solving political problems and rendering aid in far off places, and do that until all problems on the Earth are solved, then all would be well and you boys and girls can then trot off to the stars.\n\nThis thought pattern is what brought down the Apollo program, and several trillion dollars of spending on poverty programs later we still have these problems.  Thus, I would like to illustrate the fallacy of this argument by presenting a letter and its response written in the early 1970’s by Dr. Ernst Stuhlinger of NASA when he was asked a similar question by a nun working in poverty programs in Africa.  Dr. Stuhlinger’s response illustrates the value of these activities as well as anyone has.  Dr. Stuhlinger was the head of the Space Sciences Laboratory at the NASA Marshall Spaceflight Center.\n\n__________________________________________________________________________\n\nLetter Between Sister Mary Jucunda, O.P. and Dr. Ernst Stuhlinger\n\nSome of the reasons for exploring space, when there are numerous social problems on earth, were described years ago by Dr. Ernst Stuhlinger, Associate Director of Science at the Marshall Space Flight Center, Huntsville. While the numbers and dollar amounts may have changed, his words are as valid today as they were then.\n\n \n\nHis beliefs were expressed in his reply to a letter from Sister Mary Jucunda, O.P., a nun who works among starving native children of Zambia, Africa. Dr. Stuhlinger is known internationally for his contributions to electric and nuclear propulsion and his concepts for a manned journey to Mars.\n\n Touched by Sister Mary’s concern and sincerity, Dr. Stuhlinger answered her letter as follows:\n\nYour letter was one of many which are reaching me every day, but it has touched me more deeply than all the others because it came so much from the depths of a searching mind and a compassionate heart.\n\nI will try to answer your question as best as I possibly can.\n\nFirst, however, I would like to say what great admiration I have for you, and for all your many brave sisters, because you are dedicating your lives to the noblest cause of man: help for his fellowmen who are in need.\n\nYou asked in your letter how I can suggest the expenditure of billions of dollars for a voyage to Mars, at a time when many children on this earth are starving to death.\n\nI know that you do not expect an answer such as “Oh, I did not know that there are children dying from hunger, but from now on I will desist from any kind of space research until mankind has solved that problem!”\n\nIn fact, I have known of famined children long before I knew that a voyage to the planet Mars is technically feasible; however, I believe, like many of my friends, that traveling to the moon and eventually to Mars and to other planets is a venture which we should undertake now and I even believe that this project, in the long run, will contribute more to the solution of these grave problems we are facing here on earth than many other potential projects of help which are debated and discussed year after year, and which are so extremely slow in yielding tangible results.\n\nBefore trying to describe in more detail how our space program is contributing to the solution of our earthly problems, I would like to relate briefly a supposedly true story which may help support the argument.\n\nAbout 400 years ago, there lived a count in a small town in Germany. He was one of the benign counts and he gave a large part of his income to the poor in his town. This was much appreciated because poverty was abundant during medieval times, and there were epidemics of the plague which ravaged the country frequently.\n\nOne day, the count met a strange man. He had a workbench and little laboratory in his house, and he labored hard during the daytime so that he could afford a few hours every evening to work in his laboratory.\n\nHe ground small lenses from pieces of glass; he mounted the lenses in tubes; and he used these gadgets to look at very small objects. The count was particularly fascinated by the tiny creatures that could be observed with the strong magnification and which he had never seen before.\n\nHe invited the man to move with his laboratory to the castle, to become a member of the count’s household, and to devote henceforth all his time to the development and perfection of his optical gadgets as a special employee of the count.\n\nThe townspeople, however, became angry when they realized that the count was wasting his money, as they thought, on a stunt without purpose. “We are suffering from this plague,” they said, “while he is paying that man for a useless hobby!”\n\nBut the count remained firm. “I give you as much as I can afford,” he said, “but I also support this man and his work, because I know that someday something will come out of it!”\n\nIndeed, something very good came out of this work, and also out of similar work done by others at other places: the microscope. It is well known that the microscope has contributed more than any other invention to the progress of medicine, and that the elimination of the plague and many other contagious diseases from most parts of the world is largely a result of studies which the microscope made possible.\n\nThe count, by retaining some of his spending money for research and discovery, contributed far more to the relief of human suffering than he could have contributed by giving all he could possibly spare to his plague-ridden community.\n\nThe situation which we are facing today is similar in many respects. The President of the United States is spending about $200 billion in his yearly budget. This money goes to health, education, welfare, urban renewal, highways, transportation, foreign aid, defense, conservation, science, agriculture and many installations inside and outside the country.\n\nAbout 1.6 per cent of this national budget was allocated to space exploration this year. The space program includes Project Apollo, and many other smaller projects in space physics, space astronomy, space biology, planetary projects, earth resources projects, and space engineering.\n\nTo make this expenditure for the space program possible, the average American taxpayer with $10,000 income per year is paying about 30 tax dollars for space.\n\nThe rest of his income, $9,970, remains for his subsistence, his recreation, his savings, his taxes and all his other expenditures.\n\nYou will probably ask now: “Why don’t you take 5 or 3 or 1 dollar out of the 30 space dollars which the average American taxpayer is paying and send these dollars to the hungry children?”\n\nTo answer this question, I have to explain briefly how the economy of this country works. The situation is very similar in other countries.\n\nThe government consists of a number of departments (Interior; Justice; Health, Education and Welfare; Transportation; Defense; and others), and of bureaus (National Science Foundation; National Aeronautics and Space Administration; and others).\n\nAll of them prepare their yearly budgets according to their assigned missions, and each of them must defend its budget against extremely severe screening by congressional committees, and against heavy pressure for economy from the Bureau of the Budget and the President. When the funds are finally appropriated by Congress, they can be spent only for the line items specified and approved in the budget.\n\nThe budget of the National Aeronautics and Space Administration, naturally, can contain only items directly related to aeronautics and space. If this budget were not approved by Congress, the funds proposed for it would not be available for something else; they would simply not be levied from the taxpayer, unless one of the other budgets had obtained approval for a specific increase which would then absorb the funds not spent for space.\n\nYou may realize from this brief discourse that support for hungry children, or rather a support in addition to what the United States is already contributing to this very worthy cause in the form of foreign aid, can be obtained only if the appropriate department submits a budget line item for this purpose and if this line item is then approved by Congress.\n\nYou may ask now whether I personally would be in favor of such a move by our government. My answer is an emphatic yes. Indeed, I would not mind it at all if my annual taxes were increased by a number of dollars for the purpose of feeding hungry children wherever they may live.\n\nI know that all of my friends feel the same way; however, we could not bring such a program to life merely by desisting from making plans for voyages to Mars. On the contrary, I even believe that by working for the space program I can make some contribution to the relief and eventual solution of such grave problems as poverty and hunger on earth.\n\nBasic to the hunger problem are two functions: the production of food and distribution of food. Food production by agriculture, cattle ranching, ocean fishing and other large scale operations is efficient in some parts of the world, but drastically deficient in many others.\n\nFor example, large areas of land could be utilized far better if efficient methods of watershed control, fertilizer use, weather forecasting, fertility assessment, plantation programming, field selection, planting habits, timing of cultivation, crop survey and harvest planning were applied.\n\nThe best tool for the improvement of all these functions, undoubtedly, is the artificial earth satellite. Circling the globe at a high altitude, it can screen wide areas of land within a short time; it can observe and measure a large variety of factors indicating the status and conditions of crops, soil, droughts, rainfall, snow cover, etc., and it can radio this information to ground stations for appropriate use.\n\nIt has been estimated that even a modest system of earth satellites equipped with earth resources sensors, working within a program for worldwide agricultural improvement, will increase the yearly crops by an equivalent of many billions of dollars.\n\nThe distribution of the food to the needy is a completely different problem. The question is not so much one of shipping volume; it is one of international cooperation.\n\nThe ruler of a small nation may feel very uneasy about the prospects of having large quantities of food shipped into his country by a large nation, simply because he fears that along with the food there may also be an import of influence and foreign power.\n\nEfficient relief from hunger, I am afraid, will not come before the boundaries between nations have become less divisive than they are today.\n\nI do not believe that space flight will accomplish this miracle overnight; however, the space program is certainly among the most promising and powerful agents working in this direction.\n\nLet me only remind you of the recent near-tragedy of Apollo 13. When the time of the crucial reentry of the astronauts approached, the Soviet Union discontinued all Russian radio transmissions in the frequency bands used by the Apollo Project in order to avoid any possible interference, and Russian ships stationed themselves in the Pacific and the Atlantic oceans in case an emergency rescue would become necessary.\n\nHad the astronaut capsule touched down near a Russian ship, the Russians would undoubtedly have expended as much care and effort in their rescue as if Russian cosmonauts had returned from a space trip.\n\nIf Russian space travelers should ever be in a similar emergency situation, Americans would do the same, without any doubt.\n\nHigher food production, through survey and assessment from orbit, and better food distribution through improved international relations, are only two examples of how profoundly the space program will impact life on earth.\n\nI would like to quote two other examples: stimulation of technological development and generation of scientific knowledge.\n\nThe requirements for high precision and for extreme reliability which must be imposed upon the components of a moon-traveling spacecraft are entirely unprecedented in the history of engineering.\n\nThe development of systems which meet these severe requirements has provided us a unique opportunity to find new materials and methods, to invent better technical systems, to improve manufacturing procedures, to lengthen the lifetimes of instruments and even to discover new laws of nature.\n\nAll this newly acquired technical knowledge is also available for applications to earth-bound technologies. Every year, about a thousand technical innovations generated in the space program find their ways into our earthly technology where they lead to better kitchen appliances and farm equipment, better sewing machines and radios, better ships and airplanes, better weather forecasting and storm warning, better communications, better medical instruments, better utensils and tools for everyday life.\n\nPresumably, you will ask now why we must develop first a life support system for our moon-traveling astronauts, before we can build a remote-reading sensor system for heart patients.\n\nThe answer is simply: significant progress in the solution of technical problems is frequently made not by a direct approach, but by first setting a goal of high challenge which offers a strong motivation for innovative work, which fires the imagination and spurs men to expend their best efforts, and which acts as a catalyst by including chains of other reactions.\n\nSpace flight, without any doubt, is playing exactly this role. The voyage to Mars will certainly not be a direct source of food for the hungry; however, it will lead to so many new technologies and capabilities that the spinoffs from this project alone will be worth many times the cost of its implementation.\n\nBesides the need for new technologies, there is a continuing great need for new basic knowledge in the sciences if we wish to improve the conditions of human life on earth.\n\nWe need more knowledge in physics and chemistry, in biology and physiology, and very particularly in medicine to cope with all these problems which threaten man’s life: hunger, disease, contamination of food and water, pollution of the environment.\n\nWe need more young men and women who choose science as a career, and we need better support for those scientists who have the talent and the determination to engage in fruitful research work.\n\nChallenging research objectives must be available, and sufficient support for research projects must be provided. Again, the space program with its wonderful opportunities to engage in truly magnificent research studies of the moon and planets, of physics and astronomy, of biology and medicine, is an almost ideal catalyst which induces the reaction between the motivation for scientific work, opportunities to observe exciting phenomena of nature, and material support needed to carry out the research effort.\n\nAmong all the activities which are directed, controlled and funded by the American government, the space program is certainly the most visible, and probably the most debated activity, although it consumes only 1.6 per cent of the total national budget and less than one-third of 1 per cent of the gross national product.\n\nAs a stimulant and catalyst for the development of new technologies, and for research in the basic sciences, it is unparalleled by any other activity. In this respect, we may even say that the space program is taking over a function which for three or four thousand years has been the sad prerogative of wars.\n\nHow much human suffering can be avoided if nations, instead of competing with their bomb-dropping fleets of airplanes and rockets, compete with their moon-traveling space ships! This competition is full of promise for brilliant victories, but it leaves no room for the bitter fate of the vanquished which breeds nothing but revenge and new wars.\n\nAlthough our space program seems to lead us away from our earth and out toward the moon, the sun, the planets and the stars, I believe that none of these celestial objects will find as much attention and study by space scientists as our earth.\n\nIt will become a better earth, not only because of all the new technological and scientific knowledge which we will apply to the betterment of life, but also because we are developing a far deeper appreciation of our earth, of life, and of man.\n\nThe photograph which I enclose with this letter shows a view of our earth as seen from Apollo 8 when it orbited the moon at Christmas, 1968.\n\nOf all the many wonderful results of the space program so far, this picture may be the most important one.\n\nIt opened our eyes to the fact that our earth is a beautiful and most precious island in an unlimited void, and that there is no other place for us to live but the thin surface layer of our planet, bordered by the bleak nothingness of space.\n\nNever before did so many people recognize how limited our earth really is, and how perilous it would be to tamper with its ecological balance.\n\nEver since this picture was first published, voices have become louder and louder, warning of the grave problems that confront man in our times: pollution, hunger, poverty, urban living, food production, water control, overpopulation.\n\nIt is certainly not by accident that we begin to see the tremendous tasks waiting for us at a time when the young space age has provided us the first good look at our own planet.\n\nVery fortunately, though, the space age not only holds out a mirror in which we can see ourselves; it also provides us with the technologies, the challenge, the motivation, and even with the optimism to attack these tasks with confidence.\n\nWhat we learn in our space program, I believe, is fully supporting what Albert Schweitzer had in mind when he said:\n\n“I am looking at the future with concern, but with good hope.”\n\nMy very best wishes will always be with you and with your children. Very Sincerely Yours, Ernst Stuhlinger.",
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      "body": "![](https://ci4.googleusercontent.com/proxy/JG09nFeor9B1JzzT-MDzi3DmN0mVQ_wz-jmfoEJhu_KukSLXYNF6vKu7eRLC5UggppNPx1F6MUkyoRpmMX53cSmYqn_TUm7Ybc226YnLm2Ozqp-Xy9tCSXIu-OtveNfFt0J8pqL9R_rJmBmEs5d-z-SJ1Fit3FxWtOyDrSw=s0-d-e1-ft#https://gallery.mailchimp.com/511ff2b7940fe141c00b44b1a/images/22d7c29f-2c4f-4f37-b486-6d8c46c408ea.gif)\n\nNot all propulsion companies are trying to revolutionize engines for launch vehicles. There's a growing number of astropreneurs who see opportunity in providing increased orbital capability and control for nano-satellites.\n\nAttitude control, station-keeping, collision avoidance, inclination and orbital modifications - if your mission needed any of these capabilities, just 5 years ago you would be looking at a much larger satellite platform and much more cost. Thanks to the work of the 5 companies below (and many others [in the NSV Database](https://space.us15.list-manage.com/track/click?u=511ff2b7940fe141c00b44b1a&id=1dd3db59e3&e=c15c63a4c0)), the kinds of missions cubesats can undertake are being transformed.\n\n**[Accion Systems](https://space.us15.list-manage.com/track/click?u=511ff2b7940fe141c00b44b1a&id=401f0b2906&e=c15c63a4c0)** - Developing advanced electric propulsion for nano-, micro-, and miniature satellites.\n**[Exotrail](https://space.us15.list-manage.com/track/click?u=511ff2b7940fe141c00b44b1a&id=1c1fc77aaa&e=c15c63a4c0)** - Selling nanosatellites that utilize Hall Effect Thrusters \"HET\" and constellation management solutions\n**[Thrustme](https://space.us15.list-manage.com/track/click?u=511ff2b7940fe141c00b44b1a&id=6cf2391d27&e=c15c63a4c0)** - Specializing in nano-satellite ion-propulsion and precision attitude control\n**[Phase Four](https://space.us15.list-manage.com/track/click?u=511ff2b7940fe141c00b44b1a&id=900cd0ac3b&e=c15c63a4c0)** - Developing plasma propulsion technology for satellites\n**[Benchmark Space Systems](https://space.us15.list-manage.com/track/click?u=511ff2b7940fe141c00b44b1a&id=e59ba80497&e=c15c63a4c0)** - Building a low-cost propulsion system for the rapidly growing small satellite market",
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      "parent_author": "",
      "parent_permlink": "space",
      "permlink": "5-amazing-smallsat-propulsion-companies",
      "title": "5 Amazing Smallsat Propulsion Companies ⚡"
    }
  ],
  "op_in_trx": 0,
  "timestamp": "2018-01-28T20:31:45",
  "trx_id": "ff39d3920ab2e4732581927a4c018d7afd429294",
  "trx_in_block": 11,
  "virtual_op": 0
}