Saturday , May 21 2022

Small Steps for space settlement



For many attorneys & # 39; space, the solution & # 39; space evoke visions like this, but any initial arrangement can & # 39; is much more austere. (Credit: Bryan Versteeg)

Bookmark and Share "style =" border: 0

For decades & # 39; years, the space advocates have been pushing for space solution: people live and work with & # 39; permanently beyond the World. Those visions are in & # 39; various forms, from bases on the Moon and Mars to space colonies pursued by Gerard K. O & # 39; Neill more than 40 years ago. But during those few & # 39; years, leaving only such visions: concepts have remained largely fantasies.

"Not only individual things but the pace at which things are happening are increasing, and I think this is really exciting feature in & # 39; all this," said Pittman.

Those dreams & # 39; spatial resolution, though, perhaps pulling a little closer to reality. Advocates see hope in efforts & # 39; SpaceX to reduce costs and launch plans & # 39; Elon Musk to go to Mars as 2020. Jeff Bezos is taking a similar tack on Blue Origin, although looking more vision & # 39; O & # 39; Neillian regarding spatial resolution of attention & # 39; Musk on Mars. Even NASA supports the general concept with its plans for "sustainable" return to the Moon that will strengthen the international and commercial capabilities.

"Not only individual things, but the pass which is happening things are increasing, and I think this is a really exciting feature in & # 39; all", said Bruce Pittman, senior vice president of the National Space Society .

Pittman spoke in the Space Settlement Summit NSS, event & # 39; two made in Southern University & # 39; California f & # 39; Los Angeles early in & # 39; in November. That event was designed to analyze how recent developments may allow, eventually, that long-term vision of space settlement.

Not surprisingly, many discussions focused on the achievements and plans in the area of ​​access to space. One panel titled "What Do We Do With 150 Tons to Orbit?", reference to the ability of & # 39; & # 39 provided for loading; System load & # 39; next generation launch & # 39; SpaceX, known at the time of the conference as Big Falcon Rocket, or BFR. (The last week, Musk announced – via & # 39; Twitter, of course – the stage & # 39; lower booster vehicle will now be called "Super Heavy" and the stage & # 39; on, "space" now & # 39; hereinafter referred to as "Starship.")

"If you have what the size of the vehicle to work, you can & # 39; re & # 39; used for decades & # 39; million & # 39; dollars per flight, I think it will completely change how we use space ", said Dan Rasky, the Space Portal Portal director of the Center & # 39; NASA Ames Research, during that board. It compared its impact on the transcontinental railway, which has reduced b & # 39; dramatically the time to divide the country, reduced cost, and improved safety. "It was absolutely transformative, and things seemed crazy before the entry into force in & # 39; suddenly became common after it was in place. I think we can be on the verge of & # 39; that for space."

SpaceX is not alone: ​​other at the event brought the work & # 39; Blue Origin and the rewards of the Agreement on the Service of the Air Force Launch held at & # 39; October to help develop of Glenn of New & # 39; Blue Origin and Omega of the rocket & # 39; Vulcan Centaur and Northrop Grumman in.

"We have been locked in & # 39; this idea that space is a very difficult proposition, expensive", said Rasky. "If we see that these barriers to entry fell by & # 39; significantly, x & # 39; can & # 39; really happen?"

The renewed emphasis on a return to the Moon and excited advocates of the solution, b & # 39; in particular due to the presence of & # 39; like iced water resources. "The propellant on the moon lowers the cost to go from Earth to the lunar surface with & # 39; feature & # 39; three", said George Sowers, professor of space resources program in School -Minjieri of & # 39; Colorado. "To me that's the obvious next step."

Qawwad called the Space Policy Directive (SPD) "super important" 1, signed by the President in Trump & # 39; last December, claiming human return to the Moon. The language in & # 39; that directive, which includes commercial and international partnerships to enable sustainable lunar gains, suggested to attendees that, unlike the Initiative & # 39; Space Exploration and the Vision for Space Exploration , this time will be different.

"Jim Bridenstine is about the best manager of NASA regarding our goals we can expect," said Hopkins.

"For the first time in a very long time, we have a coherent and enforceable undergoing the administration to do something in space that can & # 39; work well," said Greg Autry, the USC professor who served on the team a & # 39; NASA transition to Management & # 39; Trump after the 2016 election.

No current member of the team & # 39; NASA leadership was at the meeting, but NASA administrator Jim Bridenstine made brief remarks recorded in the event. "We share your vision & # 39; people living space with & # 39; permanently and create a vibrant space economy," he said, before talking about plans & # 39; NASA exploration of itself.

Those words were music to the ears of the participants. "Jim Bridenstine is about the best manager of NASA regarding our goals we can expect", said Mark Hopkins, the chairman of the executive committee of the NSS.

Not everyone was convinced that this time will be different, though. "The words the whole law is there, and fall & # 39; for performance," said Mark Nall, manager & # 39; before at the Marshall Space Flight Center of NASA is now co-founder of the company of space robika OffWorld. "We have the right words there for the Vision for Space Exploration: extend the economic sphere Earth in the solar system. It worked."

Autry before & # 39; those concerns. "I'm concerned that & # 39; there's nobody in – & # 39; A Suite & # 39; at NASA Headquarters knows leadership or business is indeed a business perspective", he said. "I do not see how it will perform on the plane who were asked to execute."

This included, for some, skepticism about the usefulness of Gateway, supporting NASA, is an essential step to humans return to the Moon b & # 39; sustainable way but others see a distraction to ally various people on the lunar surface. (F & # 39; meeting of the Advisory Group of the National Space Council Users in & # 39; mid-November, the former administrator of NASA Mike Griffin said the building & # 39; Gateway before returning the humans to the surface of the Moon was "stupid architecture.")

"It comes & # 39; under x & # 39; is the purpose of the Gateway, and do not think that was articulated by & # 39; clearly," said Nall.

"Personally, I'm excited about the Gateway if it is used as a basis & # 39; trials for a variety of & # 39; business capabilities," said Autry. "If this is done that – & # 39; road car & # 39 ;, as some people want jsejħuha, which becomes the only way to reach the lunar surface, then it is an impediment."

Johnson claimed to bring more people from outside the area to help form the future of the space solution. "Did anyone sleep in here tonight & # 39; hotel was designed by Boeing?" He asked.

But there was a trend in event skip forward to what the desired end-state, one with & # 39; people on the Moon and Mars, and solutions in Earth orbit or beyond thousands of & # 39; people. A prime example of & # 39; it was on one panel, where Anthony Longman of & # 39; Research Skyframe one concept discussed in detail for expandable space habitats that can & # 39; rising to over 200 meters at & # 39; beam and extend thousands of & # 39; people using a concept called structures & # 39; tensegrità. Those present welcomed him with & # 39; wide range & # 39; technical questions about its design, as if there if there is enough space for 8,000 people to sustain crops intended or simply 1000.

That is, until someone asked how much it will cost to build. "Oh, the costs", he said, and stopped, as stated in & # 39; unpleasant reality, it is hoped shiny. One chart, he said, "it was suggested that in dozens of & # 39; trillions, but do not know for sure."

Even this was too much for an audience that seemed ready to accept technical challenges & # 39; such a structure. "Probably this is not right", he said when asked if audience members heard it right. "Previous work it was estimated that & # 39; about 400 billion. I do not know really."

Arrangements initial space X & # 39; probably not as nice, or expensive, but perhaps rather a collection of & # 39; modules. At one panel, someone asked x & # 39; be the minimum viable product MVP, in the world of startup, spatial settlements.

"I like drums. I like cylinders because they are large and spacious," said Al Globus of & # 39; San Jose State University. modular approach, like one he told one group & # 39; developed by students & # 39; expandable modules by Bigelow Aerospace, is possible, but it is not necessarily desirable. "There are many X & # 39; true scalability, build from something small and growing and & # 39; now. It's just that I do not want live in them. They are too small."

Others, though, seemed more willing to embrace a harsh existence in & # 39; space envelope on the fantasies of space colonies. Karlton Johnson, executive & # 39; Arconic Inc. and former Air Force officer, compared with & # 39; deployment in & # 39; this area, with some of the creatures household amenities. "I suspect, and I submit to you, that's probably what will be 90 percent of people who go and do some sort of & # 39; space operations", he said.

At a meeting consisted at most of space professionals and attorneys & # 39; hard space, Johnson argued that brings more people from outside the area to help form the future of the space solution. "Did anyone sleep in here tonight & # 39; hotel was designed by Boeing?" He asked. "F & # 39; this room, we will increase the type & # 39; people have a certain concept of & # 39; what it means to live in space, knowing that, first, it will be quite extraordinary. But we get from austere to really cool. "

Another challenge for the solution space, and another reason for search & # 39; & # 39 wider audiences is a fundamental ;, any technical question: why live in space? Many at the summit like themselves who move into space every day, but few people want to do it, and x & # 39; Are their expectations about the living conditions, risk and compensation – was subject in his largely unexamined in the meeting.

"We should race," said Bolden. "If we all do not we race, we will lose."

Globus, which favored habitats in & # 39; low equatorial horizontal terms of the World, offers radiation protection of manjesfera while avoiding the charged particles of the southern anomaly Atlantic, thinks that the drive for space settlement is a space hotel. "Hotel space not quite solved all but many of the problems associated with building & # 39; agreement," he said.

But the attention & # 39; that meeting on technical issues and & # 39; policy, and less about whether the space solution is interesting for the general public, suggests that one of those next steps on the road to not necessarily vehicle spatial resolution or a new habitat or even public-private partnership to support -iżvilupp of & # 39; those systems. It is a compelling story about why humans can, and should, survive beyond the Earth.

On the second day of the summit, the former administrator Charlie Bolden met NASA & # 39; in & # 39; one of the sessions. (He was a speaker at a dinner for the summit later that day, although his comments were not specifically dedicated to the issue of spatial resolution.) When the panel discussion appeared briefly in the area & # 39; public interest, is a blur.

"We should race, and sometimes in our technical world, we think we can do what we do and everything else will take place", he said. "If we all do not we race, we will lose."

That compelling story of the solution space has yet to be notified.

Note: we temporarily moderate all comments subcommitted to deal with an increase in spam.

<! –

ISPC 2015


Source link