Last Build Date: Mon, 17 Oct 2016 11:00:00 GMTCopyright: Copyright 2003-2016 Jeff Foust
Mon, 17 Oct 2016 11:00:00 GMTNASA's current plans for human Mars missions don't involve reusable spacecraft, but such systems may be essential to long-term exploration and settlement. John Strickland explains how one concept for a reusable Mars lander could make human Mars missions more sustainable.
Mon, 17 Oct 2016 10:59:00 GMTAs Blue Origin and Virgin Galactic make progress on their suborbital spacecraft, some wonder who will be the first to enter commercial service. Jeff Foust reports that neither company appears to be in a race with the either for that achievement.
Mon, 17 Oct 2016 10:58:00 GMTAdvances in technologies can have effects far beyond their original field. Steve Hoeser discusses how certain technologies can have great leverage, and explores one potential technology that could affect spaceflight.
Mon, 17 Oct 2016 10:57:00 GMTSpaceflight has been the subject of episodes of several contemporary TV series, usually not coming off very well. Dwayne Day, though, examines one such episode that may be the worst of them all.
Mon, 17 Oct 2016 10:56:00 GMTThere's been a strong link throughout history between real spaceships and those imagined in science fiction tales. Jeff Foust reviews a book that offers an illustrated history of both classes of vehicles.
Mon, 10 Oct 2016 11:00:00 GMTSpaceX is the latest venture to propose sending humans to Mars as some kind of private effort. Chris Carberry and Rick Zucker explore if there is, in fact, a commercial case for human Mars missions.
Mon, 10 Oct 2016 10:59:00 GMTOne key element missing from Elon Musk's announcement of his Mars settlement plans is how people will live once they get to the planet. Sam Dinkin looks at some options for those considering buying a ticket to the Red Planet.
Mon, 10 Oct 2016 10:58:00 GMTCompanies are proposing the deploy networks of hundreds or even thousands of satellites in the next several years. Jeff Foust reports that these systems pose new concerns about the growing orbital debris environment in low Earth orbit.
Mon, 10 Oct 2016 10:57:00 GMTA technology called the blockchain promises to revolutionize electronic commerce on Earth. Vidvuds Beldavs describes how the blockchain and related technologies can advance the development of a true space economy.
Mon, 10 Oct 2016 10:56:00 GMTEfforts to search for signals from extraterrestrial civilizations entered a new chapter last year with a $100-million private donation. Jeff Foust reviews a book that examines both the long, and sometimes difficult, history of SETI projects as well as the motivation for scanning the skies.
Mon, 03 Oct 2016 11:00:00 GMTLast week, at long last, Elon Musk offered details about the rockets and spacecraft he sees SpaceX developing to send large numbers of people to Mars. Jeff Foust reports on the details of his plan, the spectacle of the speech itself, and questions yet to be answered about his proposed effort.
Mon, 03 Oct 2016 10:59:00 GMTFrom time to time, someone proposes that the Pentagon and NASA more closely cooperate in various areas of spaceflight. Wayne Eleazer notes that this idea is hardly new, and had rarely resulted in any real savings for either military or civil space efforts.
Mon, 03 Oct 2016 10:58:00 GMTThe launch of an Indian PSLV rocket last week featured one twist from previous missions, by placing its payload of satellites into two different orbits. Ajey Lele argues this is another step in making India competitive in the global launch market.
Mon, 03 Oct 2016 10:57:00 GMTThe end of the Rosetta mission last week marked the beginning of something else: the release of a new album by composer Vangelis inspired by the comet mission. Dwayne Day examines the long-running links between Vangelis and other electronic music composers and spaceflight.
Mon, 03 Oct 2016 10:56:00 GMTThis week marks the 12th anniversary of the final flight of SpaceShipOne, capturing the $10-million Ansari X PRIZE. Jeff Foust reviews a book that examines the history of that effort, as seen by many of its key players, leading up to that final flight.
Mon, 26 Sep 2016 11:00:00 GMTElon Musk will unveil his plans for human missions to Mars this week, but he's not the only person talking about Mars exploration. Jeff Foust reports there's a new emphasis on Mars mission planning, as other companies and organizations propose alternative approaches for getting humans to the Red Planet.
Mon, 26 Sep 2016 10:59:00 GMTGetting space settlement put into law as a goal for US space policy has been a long-running goal of space advocates. Cody Knipfer argues that there are encouraging signs of progress.
Mon, 26 Sep 2016 10:58:00 GMTElon Musk and Jeff Bezos, among others are developing the technical capabilities to establish private enterprise space settlements. Alan Wasser points out that actually establishing space settlements would be infinitely easier to fund if they could be as potentially profitable as their other businesses.
Mon, 26 Sep 2016 10:57:00 GMTAn upcoming movie highlights the lives of African American women who worked as "computers" for NASA and its predecessor at the dawn of the Space Age. Jeff Foust reviews the book the movie is based on, which examines the many challenges these women faced and overcame.
Mon, 19 Sep 2016 11:00:00 GMTIn the conclusion to his series about the development of signals intelligence satellites by the US during the Cold War, Dwayne Day looks at one class of spacecraft that provided key data on Soviet activities for decades.
Mon, 19 Sep 2016 10:59:00 GMTLast week, Blue Origin unveiled its planned orbital launch vehicle, New Glenn, that likely will be able to place payloads weighing dozens of metric tons into low Earth orbit. Jeff Foust notes it's the latest development in heavy-lift vehicles that include programs by NASA and SpaceX.
Mon, 19 Sep 2016 10:58:00 GMTThe pad accident that destroyed a Falcon 9 rocket early this month during preparations for a static fire test was rare, but not unprecedented. Wayne Eleazer examines some of the previous pad mishaps in the history of the Space Age.
Mon, 19 Sep 2016 10:57:00 GMTLast week marked the second anniversary of NASA's award of commercial crew contracts to Boeing and SpaceX. Jeff Foust reports that, despite initial hopes that one or both vehicles would be ready by the end of 2017, delays until late 2018 are looking increasingly likely for both.
Mon, 12 Sep 2016 11:00:00 GMTAs SpaceX continued to investigate a mysterious pad accident that destroyed a Falcon 9, United Launch Alliance flawlessly launched another NASA mission last week. Jeff Foust reports on those developments and their implications for both companies.
Mon, 12 Sep 2016 10:59:00 GMTFormerly the head of Arianespace, Jean-Yves Le Gall currently runs the French space agency CNES and soon will take over the presidency of the International Astronautical Federation. Theo Pirard interviews Le Gall about his priorities at both CNES and the IAF.
Mon, 12 Sep 2016 10:58:00 GMTAn aerospace flight demonstrator can help prove technologies and business cases for full-scale vehicles, if they're selected properly. Steve Hoeser describes the various types of flight demonstrators and how they should best be used to further a vehicle development effort.
Mon, 12 Sep 2016 10:57:00 GMTThe search for life beyond Earth has attracted a lot of public interest, but where is the best place to look for such life? Jeff Foust reviews a book that offers an astrobiological survey of the solar system and beyond.
Tue, 06 Sep 2016 11:00:00 GMTAn explosion during a test last week destroyed a Falcon 9 rocket and its satellite payload, and damaged its launch pad. Jeff Foust examines the implications of the accident for SpaceX and other companies and organizations.
Tue, 06 Sep 2016 10:59:00 GMTMuch of the discussion about human missions to Mars has focused on the technical challenges of such missions. Joelle Renstrom argues that the various ethical considerations of such missions should not be ignored.
Tue, 06 Sep 2016 10:58:00 GMTOn Thursday, a NASA mission to collect samples from an asteroid is scheduled to lift off. Jeff Foust reports on goals of the OSIRIS-REx mission, which range from understanding the origins of the solar system to paving the way for future asteroid mining efforts.
Tue, 06 Sep 2016 10:57:00 GMTThere are no shortage of reasons why humans should travel to Mars. Eric Hedman describes how the effort needed for such an expedition could catalyze technological development and education, helping improve conditions for people around the world.
Mon, 29 Aug 2016 11:00:00 GMTEven after the US won the race to the Moon, American intelligence monitored Soviet development of the N-1, and reported on it to President Nixon. Dwayne Day discusses what Nixon learned about the N-1 based on recently declassified intelligence briefings.
Mon, 29 Aug 2016 10:59:00 GMTChristine Anderson originally signed on to run New Mexico's Spaceport America for a year; she stepped down earlier this month after five and a half years on the job. Jeff Foust examines the state of the spaceport, including efforts she led to diversify the spaceport's customer base.
Mon, 29 Aug 2016 10:58:00 GMTWhile some planetary missions readily share the images they take with the public, others are more reticent to do so. Svetoslav Alexandrov argues that, in an era of instant access to information, all missions should be more open in releasing images.
Mon, 29 Aug 2016 10:57:00 GMTA small museum in Albuquerque contains a collection of meteorites, including some from Mars. Joseph Page provides an overview of the museum and its exhibits.
Mon, 29 Aug 2016 10:56:00 GMTNASA is trying to promote commercial activities in low Earth orbit to help build demand for commercial facilties once the ISS is retired. Jeff Foust reviews a free ebook published by the agency with papers examining the economic issues with that effort.
Mon, 22 Aug 2016 11:00:00 GMTAfter the Pentagon cancelled the Manned Orbiting Laboratory program in 1969, it faced the question of what to do with the hardware already built for it. Dwayne Day examines what's known from declassified documents about that effort, including the transfer of mirrors for use in an observatory.
Mon, 22 Aug 2016 10:59:00 GMTPart of the effort by NASA to develop commercial crew transportation systems involves human-rating the Atlas V rocket that will launch Boeing's CST-100 Starliner. Anthony Young discusses that effort to prepare both the rocket and the launch site for missions to fly astronauts to the space station.
Mon, 22 Aug 2016 10:58:00 GMTThere's growing interest in using CubeSats for a variety of scientific, commercial, and other applications. However, Jeff Foust reports that CubeSat developers are grappling with the issue of reliability of such satellites, which suffer higher failure rates than larger spacecraft.
Mon, 22 Aug 2016 10:57:00 GMTSome in the Middle East are concerned that Iran, now free of sanctions linked to nuclear weapons development, might become more aggressive in the region. Michael Listner argues that this should provide an impetus for other nations there to develop comprehensive, coherent space policies.
Mon, 22 Aug 2016 10:56:00 GMTEurope has been a major partner on the International Space Station program, even though it's the last to formally endorse an extension of station operations through 2024. Jeff Foust reviews a book that recaps the first decade of European expeditions to the ISS, with many details but few deeper insights about the overall effort.
Mon, 15 Aug 2016 11:00:00 GMTAs the number of smallsats under development grows, so does the number of options for getting those satellites into space. Jeff Foust reports on efforts to both develop dedicated small launch vehicles as well as make greater use of rideshares on larger rockets.
Mon, 15 Aug 2016 10:59:00 GMTNew technologies are allowing high altitude balloons to perform applications once reserved for satellites. Alan Stern describes the new capabilities such balloons offer and how they are augment or replace space capabilities.
Mon, 15 Aug 2016 10:58:00 GMTIn these turbulent times, can space exploration help unite society? Zach Miller argues that lessons from the Apollo era, combined with the growth of commercial space ventures, show what is possible.
Mon, 15 Aug 2016 10:57:00 GMTGus Grissom was the second American in space, but most people's perceptions of him are shaped by the negative portrayal of him in The Right Stuff and his death on Apollo 1. Jeff Foust reviews a book that attempts to offer a more complete biography of the man and his contributions to NASA.
Mon, 08 Aug 2016 11:00:00 GMTThere is an ongoing debate about whether humans should first return to the Moon before setting out on expeditions to Mars. Chris Carberry and Rick Zucker argue that human lunar missions should stand or fall on their own merits, rather than be justified as Mars precursors.
Mon, 08 Aug 2016 10:59:00 GMTGermany will hold the presidency for the G20 nations in 2017. In an open letter to German Chancellor Angela Merkel, the International Lunar Decade Working Group suggests she include space development, including a "Moon Village," on the agenda of issues the G20 will take up in 2017.
Mon, 08 Aug 2016 10:58:00 GMTRegardless of who wins the election, the next administration is likely to take a close look at NASA's major exploration programs. Jeff Foust reports that while NASA says those efforts are making good progress, GAO reports found potential cost and schedule issues with them.
Mon, 08 Aug 2016 10:57:00 GMTAn article a space website reprinted from a Russian news service appears to have extensively borrowed, without attribution, from another article. Dwayne Day examines this latest case of space plagiarism and why this is a serious problem.
Mon, 01 Aug 2016 11:00:00 GMTWho will be the customers of commercial space stations that companies, and NASA, envision being developed within the next decade? Jeff Foust reports that there are a number of potential markets for them, including an interesting new effort in space manufacturing.
Mon, 01 Aug 2016 10:59:00 GMTIf you could get the presidential candidates to answer one question about their prospective space policies, what should it be? Jeff Foust argues that it might to get them to explain why they believe NASA should have a human spaceflight program.
Mon, 01 Aug 2016 10:58:00 GMTForty-five years ago this week, the Apollo 15 astronauts held a brief, private ceremony to memorialize the astronauts and cosmonauts who had died in the last decade. Jeff Foust reviews a book that examines the lives of those men and the circumstances of their deaths.
Mon, 25 Jul 2016 11:00:00 GMTNASA hopes that, by the time it's ready to retire the International Space Station in the 2020s, one or commercial space stations will be ready to support researchers and others using the ISS today. Jeff Foust reports that one step towards a commercial station may be a commercial module on the ISS.
Mon, 25 Jul 2016 10:59:00 GMTIn the second and final part of his examination of literature set in cislunar space, Ken Murphy reviews novels from the 1990s to the present, and looks at some overall trends in literature.
Mon, 25 Jul 2016 10:58:00 GMTA recent study suggests that the Moon has played a bigger role than previously thought in making the Earth habitable. Peter Kokh says this, plus the Moon's role in our future, should influence what we consider to be "Earth-like" worlds.
Mon, 25 Jul 2016 10:57:00 GMTThe concept of mission control is one that has been an essential part of spaceflight since the beginning of the Space Age, but not all mission controls are alike. Jeff Foust reviews a book that examines differences in mission controls based on country and types of missions.
Mon, 18 Jul 2016 11:00:00 GMTScott Kelly returned to Earth earlier this year after spending nearly a year on the International Space Station. Jeff Foust reports on what he said his experience there was like, and how a study involving his twin brother may provide new insights into the effects of long-duration spaceflight.
Mon, 18 Jul 2016 10:59:00 GMTOne of the fundamental questions of human spaceflight is why humans should go beyond Earth at all. Eric Hedman examines human spaceflight from the perspective of the survival imperative, and what research needs to be done to ensure that humans can, in fact, survive on other worlds.
Mon, 18 Jul 2016 10:58:00 GMTStories about activities in cislunar space have been staples of science fiction for decades. In the first of a two-part review, Ken Murphy examines some of the cislunar science-fiction novels in the first few decades of the Space Age.
Mon, 18 Jul 2016 10:57:00 GMTThe National Air and Space Museum reopened their Milestones of Flight gallery at the beginning of this month to mark the museum's 40th anniversary. Jeff Foust explores what is new about the gallery, and what's missing.
Mon, 11 Jul 2016 11:00:00 GMTAt the direction of Congress, NASA is not only working on a mission to send an orbiter and lander to Jupiter's moon Europa, it's also planning to launch them on the Space Launch System heavy-lift rockets. Cody Knipfer examines both the benefits and drawbacks to this approach.
Mon, 11 Jul 2016 10:59:00 GMTVenture capital investment, once a rarity for entrepreneurial space companies, is becoming increasingly commonplace. Jeff Foust reports on some of trends that both investors and companies see in the market, and how long that surge of investment might last.
Mon, 11 Jul 2016 10:58:00 GMTOne year ago this week, the New Horizons spacecraft flew past Pluto, providing our first close-up views of that distant world. Dwayne Day examines what's changed, and what hasn't, in the year since the spacecraft encounter.
Mon, 11 Jul 2016 10:57:00 GMTAs Iridium prepares to launch its next-generation satellite system, it's worth remembering that, 16 years ago, the original satellite constellation was on the verge of being deorbited. Jeff Foust reviews a book that recounts how one retired businessman led the effort that eventually saved the system.
Tue, 05 Jul 2016 11:00:00 GMTSeattle is working to make a name for itself as a hub for the entrepreneurial space industry. Jeff Foust reports on what companies and local officials think make the region stand out, and what obstacles it faces.
Tue, 05 Jul 2016 10:59:00 GMTDuring the 1960s, the United States ramped up its development of signals intelligence satellites, and found new uses for them as well. Dwayne Day describes how satellites developed for identifying radars in the Soviet Union also played a role in the Vietnam War.
Tue, 05 Jul 2016 10:58:00 GMTA new white paper by the Atlantic Council offers proposals to revise the current US national security space policy. Christopher Stone argues that the new proposal is in many ways similar to the current policy, and has the same flaws.
Tue, 05 Jul 2016 10:57:00 GMTThe International Space Station is an outpost for research and preparation for future exploration, but is it also an architectural landmark? Jeff Foust reviews a book that makes that argument as it provides a history of the station's development.
Mon, 27 Jun 2016 11:00:00 GMTAs the US signals intelligence satellite effort ramped up in the 1960s, agencies developed a wide range of payloads to fly on spacecraft to study radar signals and communications. In the second part of his history on the subject, Dwayne Day explores what is known about some of those efforts through declassified documents.
Mon, 27 Jun 2016 10:59:00 GMTWhile many Americans will spend next Monday celebrating Independence Day, NASA will be busy with the arrival of the Juno spacecraft at Jupiter. Jeff Foust reviews the goals of the mission and the challenges it faces dealing with the harsh radiation environment around the giant planet.
Mon, 27 Jun 2016 10:58:00 GMTThe US military has examined space-based solar power in the past, but has taken little action beyond studies. Nathan Kitzke argues that developing even small-scale systems could have benefits for both military operations and national leadership.
Mon, 27 Jun 2016 10:57:00 GMTThe National Museum of the United States Air Force recently opened a new building with some space exhibits. Dwayne Day visits the museum to see what's on display and got a pleasant surprise.
Mon, 27 Jun 2016 10:56:00 GMTAt last week's NewSpace conference in Seattle, attendees were advised about the importance of storytelling to sell their businesses and visions to wide audiences. Jeff Foust checks out a couple of nearby museum exhibits that offer their own takes on the interplay between space fact and fiction.
Mon, 20 Jun 2016 11:00:00 GMTStratolaunch Systems, the company backed by Paul Allen working on an air-launch system, opened the doors to its Mojave hangar to the media last week. Jeff Foust reports on the status of the company's large aircraft and its plans to enter the smallsat launch market.
Mon, 20 Jun 2016 10:59:00 GMTThanks to declassified documents, we're learning more about early American efforts to develop signals intelligence satellites. In the first of a four-part series, Dwayne Day discusses how these new sources show how diverse and prolific those efforts were.
Mon, 20 Jun 2016 10:58:00 GMTEntrepreneurs in India hope to join the NewSpace movement with space ventures of their own, following in the footsteps of SpaceX. Narayan Prasad argues that, without support from government and investors in India, those ventures won't be able to pursue their dreams.
Mon, 20 Jun 2016 10:57:00 GMTA nuclear weapons museum in Albuquerque has several space related artifacts tucked away among the exhibits. Joseph Page discusses the museum and its space connections.
Mon, 20 Jun 2016 10:56:00 GMTSatellite navigation services, primarily provided by GPS, have become ubiquitous in our society in recent years. Jeff Foust reviews a book that explores the history of GPS and the various effects, good and bad, it's brought to out modern-day life
Mon, 13 Jun 2016 11:00:00 GMTChina has announced an ambitious series of robotic space missions, including future lunar sample return and Mars missions. Cody Knipfer examines how the missions fit into Chinese efforts to establish greater international power, while also stimulating a space race among other spacefaring Asian nations.
Mon, 13 Jun 2016 10:59:00 GMTThe X PRIZE Foundation held a screening of parts of a documentary about the Google Lunar X PRIZE last week in Washington. Dwayne Day describes what the film tells us about the prize, and also the significant details it leaves out.
Mon, 13 Jun 2016 10:58:00 GMTAstrobotic and Moon Express are two of the leading companies involved in the Google Lunar X PRIZE, and each is dealing with a variety of technical and regulatory issues. Jeff Foust reports on their progress, and how feasible it is for either company to be ready to fly by the end of next year.
Mon, 13 Jun 2016 10:57:00 GMTA new wing at the National Museum of the US Air Force includes, among other items, the last remaining HEXAGON spy satellite. Dwayne Day discusses some key aspects of that spacecraft and of the person who designed its camera.
Mon, 13 Jun 2016 10:56:00 GMTLast week, Patti Grace Smith, former associate administrator for commercial space transportation at the FAA, unexpectedly passed away. Jeff Foust describes the effect she had on the commercial spaceflight industry in the unusual dual roles as advocate and regulator.
Mon, 06 Jun 2016 11:00:00 GMTSeveral years ago, interest was high among researchers in flying payloads on commercial suborbital vehicles, only to see development of those vehicles continually delayed. Jeff Foust reports that now, as some of these vehicles begin test flights, the research community is taking a second look.
Mon, 06 Jun 2016 10:59:00 GMTMany media reports compared the recent test of an Indian technology demonstrator for a future reusable launch vehicle with the US space shuttle. Dwayne Day discusses how a better comparison is with two Air Force programs of the 1960s.
Mon, 06 Jun 2016 10:58:00 GMTLast week, Elon Musk reiterated his plans to mount human missions to Mars as soon as 2024, using an architecture he will unveil later this year. John Hollaway wonders if these plans will be threatened by a shift in demand for launches that will hurt the large vehicles Musk needs to carry out his Mars plans.
Mon, 06 Jun 2016 10:57:00 GMTIn recent years military space policy has received heightened attention, particularly given concerns about the vulnerability of US national security satellites. Dwayne Day recaps a recent panel discussion about the US policy and what changes, if any, are needed.
Mon, 06 Jun 2016 10:56:00 GMTIMAX space documentaries have generally followed a certain structure, and the latest one is no exception. Jeff Foust reviews the movie to see of, even with that formulaic approach, what it shows of life on the International Space Station and observations of Earth is worth watching.
Tue, 31 May 2016 11:00:00 GMTThe recent Humans to Mars Summit in Washington was only the latest in a series of conferences about human exploration of Mars. Dwayne Day compares this conference with some other ones, and discusses what was said, and overlooked, there about getting humans to Mars.
Tue, 31 May 2016 10:59:00 GMTLast week, DARPA released a request for proposals for the next phase of its experimental reusable launch vehicle program, XS-1. Jeff Foust reports on how the competition stacks up for XS-1 and whether the program can retain its relevance as private ventures make progress on their own reusable vehicles.
Tue, 31 May 2016 10:58:00 GMTAdvocates of artificial intelligence can be as devoted to their belief that it will positively benefit society as space advocates are of the benefits of space settlement. Dwayne Day describes a recent interview with a science fiction author who has a more cautionary view of both subjects.
Tue, 31 May 2016 10:57:00 GMTDenmark is the latest country to develop a national space law. Michael Listner reviews the provisions of the new law and how they compare with other nations and with international treaties.
Tue, 31 May 2016 10:56:00 GMTAdvocates of space-based solar power have launched petitions seeking to win attention and support for the concept within the federal government. Mike Snead makes the case for why readers should sign those petitions.
Tue, 31 May 2016 10:55:00 GMTThanks to documents declassified after the end of the Cold War, CORONA is now widely recognized as the first US reconnaissance satellite program. Jeff Foust reviews a book that examines an earlier, and largely unknown, effort by the Air Force to develop a spysat called WS-117L.
Mon, 23 May 2016 11:00:00 GMTNASA has general plans to send humans to Mars in the 2030s, but that schedule is not fast enough for some. Jeff Foust reports on a debate among Mars exploration advocates on the schedule of such missions, and the role the private sector can play.
Mon, 23 May 2016 10:59:00 GMTOn Monday, the Indian space agency ISRO flew its first reusable launch vehicle technology demonstrator vehicle on a brief suborbital flight. Kiran Krishnan Nair argues that while the flight is a step forwards towards an RLV, its importance has been overhyped, particularly in the Indian media.
Mon, 23 May 2016 10:58:00 GMTAs more organizations get involved in human spaceflight, there will be a greater need for facilities to monitor and control those missions. Greg Anderson argues for the creation of a consolidated mission control organization to meet that need.
Mon, 23 May 2016 10:57:00 GMTIn recent months, the launch industry has debated whether to revise existing policy limiting the commercial use of retired ICBM motors. Michael Turner offers an alternative use for those missiles that could stimulate lunar development.
Mon, 23 May 2016 10:56:00 GMTFred Taylor may not be a household name outside the space sciences field, but he had a long career working on a variety of Earth and planetary missions. Jeff Foust reviews Taylor's memoir about his career developing instruments that helped explore the solar system.
Mon, 16 May 2016 11:00:00 GMTInvestment in government and commercial space systems have followed similar trends for much of the Space Age. Gary Oleson explores those trends and examines the possibilities offered by both very small and very large space systems to change them.