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| DoctorOfSpace | Date: Wednesday, 26.12.2012, 06:01 | Message # 61 |
 Galaxy Architect
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| (Disasterpiece) Chuck Norris
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| Watsisname | Date: Saturday, 29.12.2012, 09:18 | Message # 62 |
 Galaxy Architect
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| Aww, Harb, why'd you change your avatar? I liked your old one. 
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| DoctorOfSpace | Date: Saturday, 29.12.2012, 09:45 | Message # 63 |
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| Quote (HarbingerDawn) I don't see how any sort of dynamo activity could produce such wildly varied magnetic environments near the surface.
Yeah I forgot to mention that. And I don't think there really is a full dynamo on Mars anymore, or even a properly functioning one. From recent studies it seems to be more of a slow churning mass of magma that is slowly cooling down.
Quote (HarbingerDawn) I had thought that Mars' current magnetism was not strong enough to influence the solar wind in such a way as to significantly reduce sputtering. And I made my comments on the dynamo above.
The remaining magnetic field will be as you said, left over in pockets of magnetized rocks. However such magnetization won't last forever and is diminishing but still over geologic time scales.
Edit:
Just read there is still an overall residual magnetic field that is incredibly weak but is part of the cause of magnetized rocks. The other cause was when the dynamo shutdown and left the metals in the surface magnetized.
So yeah I was mistaken on the dynamo but still correct on the other points.
Quote (HarbingerDawn) What ever is responsible for the methane is probably very interesting though.
I suspect microbes or areas where its just warm enough to release frozen methane(from maybe long dead microbes).
Edit:
Heh found an article from 1999 about this
http://ecosystems.wcp.muohio.edu/student....ics.htm
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Edited by DoctorOfSpace - Thursday, 16.08.2012, 08:02 |
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| HarbingerDawn | Date: Thursday, 03.01.2013, 15:23 | Message # 64 |
 Cosmic Curator
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| This video is the most beautiful thing I've ever seen  Watch it in 1080p, full screen.
All forum users, please read this!
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| mario | Date: Friday, 11.01.2013, 12:28 | Message # 65 |
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Observer
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| There is a competition ran by lynx to send 22 people into space. I myself have signed up, the link to do so is www.lynxapollo.com/
The first stage of the competition is a voting style thing, where you can vote for friends and family. i thought it would be cool if people genuinely interested in space could sign up and post on here the link to their vote. That way we can all vote on each others, hopefully pushing members of the forum up the list.
As i dont want this to seem like a way of just advertising my own link, ill only post my link if others are interested,
thanks
Mario Caruso
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| HarbingerDawn | Date: Friday, 11.01.2013, 12:40 | Message # 66 |
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Cosmic Curator
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| Hello mario, and welcome to the forum. Please take a moment to read the forum rules.
The best place for this post would have been here, as this thread is dedicated to commercial and private spaceflight, so I've merged it here.
All forum users, please read this!
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| HarbingerDawn | Date: Friday, 11.01.2013, 20:17 | Message # 67 |
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| Another view of the 12-story Grasshopper flight, this time from a camera on one of the rocket's landing legs
All forum users, please read this!
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| HarbingerDawn | Date: Saturday, 12.01.2013, 11:50 | Message # 68 |
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| NASA has officially signed an agreement with Bigelow Aerospace for the Bigelow Expandable Activity Module (BEAM) to be added to the International Space Station! This could be launched in around two years. Score one for Bigelow!
Space.com article
All forum users, please read this!
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| expando | Date: Tuesday, 22.01.2013, 11:28 | Message # 69 |
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| http://www.space.com/19368-asteroid-mining-deep-space-industries.html
Original link, has a very good PR video embedded in the page about competitive company Planetary Resources.
A new asteroid-mining company launches Tuesday with the goal of helping humanity expand across the solar system by tapping the vast riches of space rocks.
The new firm, called Deep Space Industries, Inc., announced today (Jan. 22) that it plans to launch a fleet of prospecting spacecraft in 2015, then begin harvesting metals and water from near-Earth asteroids within a decade or so. Such work could make it possible to build and refuel spacecraft far above our planet's surface, thus helping our species get a foothold in the final frontier.
"Using resources harvested in space is the only way to afford permanent space development," Deep Space CEO David Gump said in a statement. Deep Space Industries will hold a press conference today in Santa Monica, Calif., at 10 a.m. PST (1 p.m. EST/1800 GMT) to unveil more details of its bold mission plan; you can watch the webcast live here at SPACE.com.
"More than 900 new asteroids that pass near Earth are discovered every year," Gump explained. "They can be like the Iron Range of Minnesota was for the Detroit car industry last century — a key resource located near where it was needed. In this case, metals and fuel from asteroids can expand the in-space industries of this century. That is our strategy." [How Asteroid Mining Could Work (Infographic)]
Deep Space is the second company to jump into the asteroid-mining business. The first, the billionaire-backed firm Planetary Resources, had its own unveiling last April.
Prospecting spacecraft and asteroid sample-return
Deep Space will inspect potential mining targets with 55-pound (25 kilograms) spacecraft it calls FireFlies, the first of which are targeted for launch in 2015.
FireFlies will conduct asteroid reconnaissance on the cheap. They'll be made from low-cost "cubesat" components and will hitch a ride to space aboard rockets that also carry large communications satellites, Deep Space officials said.
"We can make amazing machines smaller, cheaper and faster than ever before," Deep Space chairman Rick Tumlinson said in a statement. "Imagine a production line of FireFlies, cocked and loaded and ready to fly out to examine any object that gets near the Earth."
The FireFlies' work will pave the way for 70-pound (32 kg) spacecraft called DragonFlies, which will blast off beginning in 2016. DragonFlies will bring asteroid samples back to Earth during missions that last two to four years. Some samples will help the company determine mining targets, while others will probably be sold to researchers and collectors, officials said.
The public will get to fly along with both probes, whose activities will likely be funded in some measure by corporate sponsorship, Deep Space officials said.
"The public will participate in FireFly and DragonFly missions via live feeds from Mission Control, online courses in asteroid mining sponsored by corporate marketers and other innovative ways to open the doors wide," Gump said. "The Google Lunar X Prize, Unilever and Red Bull each are spending tens of millions of dollars on space sponsorships, so the opportunity to sponsor a FireFly expedition into deep space will be enticing."
These activities are all precursors to Deep Space's ultimate goal, which is the harvesting and in-space utilization of asteroid resources.
The company intends to begin extracting metals and other building materials from space rocks within 10 years, officials said. These components will first be used to build communications satellites off-Earth, with the construction of space-based solar power stations coming later. Precious metals such as platinum will also be delivered to Earth for terrestrial use.
Deep Space's construction activities will be aided by a patent-pending 3D printer called the MicroGravity Foundry, officials said.
"The MicroGravity Foundry is the first 3D printer that creates high-density, high-strength metal components even in zero gravity," company co-founder and MicroGravity Foundry inventor Stephen Covey said in a statement. "Other metal 3D printers sinter powdered metal, which requires a gravity field and leaves a porous structure, or they use low-melting point metals with less strength."
Deep Space Industries will also focus on extracting asteroid water, which can be split into its constituent hydrogen and oxygen — the chief components of rocket fuel. The company's mining efforts could thus lead to the establishment of in-space "gas stations" that allow satellites and journeying spacecraft to top up their tanks relatively cheaply and efficiently.
"We will only be visitors in space until we learn how to live off the land there," Tumlinson said. "This is the Deep Space mission — to find, harvest and process the resources of space to help save our civilization and support the expansion of humanity beyond the Earth — and doing so in a step-by-step manner that leverages off our space legacy to create an amazing and hopeful future for humanity."
Deep Space Industries' ambitions are similar to those of Planetary Resources, which also plans to tap asteroid metals and water to help open the solar system up to exploration and exploitation.
Planetary Resources could prove to be a tough competitor. It was founded by private-spaceflight pioneers Peter Diamandis and Eric Anderson, and its deep-pocketed investors include Google execs Larry Page and Eric Schmidt.
"Religion is regarded by the common people as true - by the wise as false - and by the rulers as useful."
Lucius Annaeus Seneca
Edited by expando - Tuesday, 22.01.2013, 11:43 |
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| HarbingerDawn | Date: Tuesday, 22.01.2013, 13:12 | Message # 70 |
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Cosmic Curator
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| expando, a thread for this sort of thing already exists here. Also, I really don't think it's necessary to copy the entire contents of the article into the post. Just write a little summary and post the link please.
All forum users, please read this!
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| expando | Date: Tuesday, 22.01.2013, 14:59 | Message # 71 |
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Space Pilot
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Australia
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| Sorry I did not notice this thread. Sorry to cause extra work for you.
"Religion is regarded by the common people as true - by the wise as false - and by the rulers as useful."
Lucius Annaeus Seneca
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| HarbingerDawn | Date: Tuesday, 22.01.2013, 15:56 | Message # 72 |
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Cosmic Curator
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| Quote (expando) Sorry to cause extra work for you.
No problem, that's what I'm here for.
All forum users, please read this!
My SE mods and addons
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| Tim | Date: Tuesday, 22.01.2013, 17:13 | Message # 73 |
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| Shht, he's really here to get a free SE copy once it's finished.
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| HarbingerDawn | Date: Friday, 25.01.2013, 15:48 | Message # 74 |
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Cosmic Curator
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United States
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| Quote (Tim) Shht, he's really here to get a free SE copy once it's finished.
I'm donating money to SE when the time comes, and you should too!
On the subject of Deep Space Industries, here's there initial video release (almost a "trailer" of sorts):
And their press conference:
They also got together with Buzz Aldrin to have pizza and talk about the future
All forum users, please read this!
My SE mods and addons
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Edited by HarbingerDawn - Friday, 25.01.2013, 15:53 |
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| DoctorOfSpace | Date: Friday, 25.01.2013, 22:35 | Message # 75 |
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Galaxy Architect
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| Both of those were a great watch. I really think this is something that has to happen or else we may as well call it quits.
I am half tempted to change my field of study to engineering simply so I can get involved in such projects.
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