Whether they’re selling tickets to orbit or making sure the science funding keeps flowing, rocket companies and space agencies alike have a vested interest in getting the public jazzed about the cosmic beyond. So it’s no surprise that we’re now entering a golden age of space tourism propaganda—one that’s bringing back the beloved, classic design elements of long-past atomic age propaganda.
Building a space infrastructure is doubtless a prerequisite for interstellar flight. But the questions we need to answer in the near-term are vital. Even to get to Mars, we subject our astronauts to radiation and prolonged weightlessness. For that matter,
In the wake of SpaceX’s successful rocket landing, some of the company’s most ardent fans are guessing at the shape of the biggest thing to come: the Mars Colonial Transporter.
The MCT is a crucial piece in SpaceX founder Elon Musk’s grand plan to send tens of thousands of colonists to the Red Planet, potentially starting in the next decade or two. Such a venture would mark a giant leap toward establishing a second cosmic home for humanity. Musk believes that’s a must if we’re to guard against extinction due to pandemics, asteroid strikes or other planet-wide catastrophes.
Despite a declaration from President Barack Obama that the moon is not a planned destination for American astronauts, senior NASA engineers have quietly begun reconsidering it as a staging point for an eventual mission to Mars. [...] Gerstenmaier believes large amounts of ice at the lunar poles may provide an important reservoir of oxygen and hydrogen fuel to propel rockets and spaceships across the 40 million miles of space to Mars. NASA officials have begun talking about an "Evolvable Mars Campaign," which recognizes the technical and financial challenges of reaching Mars, and the likelihood that the United States would not support an all-out, Apollo-like plan. [...] the moon-then-Mars pathway would also find support in Congress, which has been reluctant to support NASA's asteroid-then-Mars pathway. Benefits to Houston center [...] much of NASA's renewed assessment of the moon has flown under the radar, but engineers familiar with the agency's work say the lunar option is being kept open for when it's more politically acceptable. Scott Pace, director of the Space Policy Institute at George Washington University, said the moon offers NASA the best opportunity to maintain a robust exploration program after the International Space Station, while also easing the formidable task of sending humans to Mars.
From Yahoo News: The European Space Agency's new boss elaborated Friday on his vision for a multinational research village on the Moon -- a leading contender for a project to succeed the International Space Station. For now, it is just an idea -- called "crazy" by some -- but one that Jan Woerner said was being widely discussed as the end of the ISS looms large. The broad concept is a base for lunar exploration by humans and robots, potentially a stopover for spacecraft and possibly even a mining site.
The rapid successful development of COMSAT, followed by INTELSAT, knit the world together in the 1960s. A similar success can be repeated on the Moon. Public-private partnership models have been proposed in the Evolvable Lunar Architecture previously mentioned. The lunar electrical power utility idea can be logically extended to communications and lunar positioning services as well
“NASA was a very symbol of capitalist ideals when we went to the Moon and beat the Russians,” says former NASA Deputy Administrator Lori Garver. “Now what we’re working with is more of a socialist plan for space exploration, which is just anathema to what this country should be doing. Don’t try to compete with the private sector. Incentivize them by driving technologies that will be necessary for us as we explore further.”
3D printing is certainly responsible for bringing an enormous amount of cool new stuff to the world--and even allowing us to conceptualize, design, and make some unbelievable innovations from our own desktops.
A palm-sized prototype spacecraft is the first geometric object to be 3-D printed from asteroid metal, Redmond-based Planetary Resources says.
The shiny object is being shown off at the International CES show in Las Vegas to boost Planetary Resources’ vision of mining precious materlals from near-Earth asteroids. The feat also gives a boost to 3D Systems’ direct metal printer.
“It’s really an eye-opener for people,” Planetary Resources’ president and CEO, Chris Lewicki, told GeekWire.
How was it done? First, find an asteroid. You don’t need to leave Earth to do that. Planetary Resources took advantage of the metal from a meteorite that was found at the Campo del Cielo impact site in Argentina. The ingredients include iron, nickel and cobalt – the same stuff found in refinery-grade steel.
WASHINGTON — An omnibus spending bill passed by Congress this month directs NASA to accelerate work on a habitation module that could be used for future deep space missions, although how NASA will implement that direction is unclear.
The report accompanying the fiscal year 2016 omnibus appropriations bill instructs NASA to spend at least $55 million on a “habitation augmentation module” to support the agency’s exploration efforts. The money would come from the Advanced Exploration Systems program, part of the Exploration Research and Development line item in the budget that received $350 million in the bill.
“NASA shall develop a prototype deep space habitation module within the advanced exploration systems program no later than 2018,” the report states. It also requires NASA to provide Congress with a report within 180 days of the bill’s enactment on the status of the program and how it has spent the funds provided.
Cette grosse capsule dépliable ne contient que le minimum : deux lits, des toilettes et un système de recyclage de l’air et de l’eau. Elle s’appelle SHEE (pour « Self-deployable Habitat for Extreme Environments », c’est-à-dire « habitat autodéployable pour...
U.S. President Barack Obama signed legislation on Wednesday providing a framework for space companies to mine ore from asteroids and other bodies, but legal critics are worried the measure could lead to violations of international law.
In the heady days of Apollo, Mars by 2000 looked entirely feasible. Now we’re talking about the 2030s for manned exploration, and even that target seems to keep receding. In the review that follows, Michael Michaud looks at Louis Friedman’s
The head of the Federal Aviation Administration's (FAA's) commercial space office, George Nield, endorsed the Moon village concept espoused by European Space Agency (ESA) Director General Johann-Dietrich Woerner, but called for inclusion of the commercial sector, not only governments, in building and operating it.
Nield spoke at the October 21 meeting of the Commercial Space Transportation Advisory Committee (COMSTAC), which advises his office. Noting that he had just returned from the International Astronautical Congress in Jerusalem, Nield quickly summarized a panel discussion among the heads of a number of space agencies represented there. Woerner was one of them. He became ESA DG on July 1 after serving as the head of Germany's space agency, DLR.
These and related technologies, once developed, will enable us to get out into space, cheaply and quickly, thus unlocking a universe of potential resource development previously seen as all too hard. They will allow us to also settle on other planets and build cities in space that become new transport hubs for a fast moving and vast new space economy.
Écrites sous une forme bien adaptée à l’espace-temps de la relativité restreinte, les quatre équations de Maxwell-Lorentz gouvernant le champ électromagnétique généré par des courants de charges...
Vincent Lieser's insight:
le calcul reliant la vitesse d’éjection d’une tuyère de fusée à la quantité de carburant nécessaire pour atteindre une vitesse donnée montre qu’un moteur à photons pourrait permettre d’atteindre environ 10 % de la vitesse de la lumièreavec 90 % de charge utile. En clair, il deviendrait possible de construire des vaisseaux interplanétaires dont les performances égaleraient ceux de la science-fiction. L’accès aux étoiles, à une bonne dizaine d’années-lumière du Soleilne devrait pas alors poser de graves problèmes.
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