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| Watsisname | Date: Saturday, 29.12.2012, 09:18 | Message # 61 |
 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 # 62 |
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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 # 63 |
 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 # 64 |
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Observer
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United Kingdom
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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 # 65 |
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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 # 66 |
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Cosmic Curator
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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 # 67 |
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Cosmic Curator
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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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| HarbingerDawn | Date: Tuesday, 22.01.2013, 13:12 | Message # 68 |
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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 # 69 |
 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 # 70 |
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Cosmic Curator
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United States
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| Quote (expando) Sorry to cause extra work for you.
No problem, that's what I'm here for.
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| Tim | Date: Tuesday, 22.01.2013, 17:13 | Message # 71 |
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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 # 72 |
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Cosmic Curator
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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!
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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 # 73 |
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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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| HarbingerDawn | Date: Friday, 25.01.2013, 22:54 | Message # 74 |
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Cosmic Curator
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| Honestly I don't see most asteroid mining concepts having much practical potential, and I see ventures like this either shifting to planet-side operations or going out of business. However, I'm happy to see them at least attempting such things.
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| DoctorOfSpace | Date: Friday, 25.01.2013, 23:27 | Message # 75 |
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Galaxy Architect
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| Quote (HarbingerDawn) Honestly I don't see most asteroid mining concepts having much practical potential,
That may be the case for now. However inevitably robotics will become complex enough where we can send out a single small robotic harvester who can use the available materials to make more of itself and start harvesting massive quantities of raw materials from asteroids. Basically by that point it would be free resources from space. I can see that happening easily within 20 years.
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