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Magnetic net will trawl for space junk

electrodynamic tether space junk orbital debris jaxa

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18 replies to this topic

#1    Waspie_Dwarf

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Posted 23 January 2014 - 03:55 PM

Japan's huge magnetic net will trawl for space junk


New Scientist said:

Gravity wasn't all fiction: tiny pieces of high-speed orbiting debris endanger our satellites. Now Japan is set to launch an electromagnetic net to catch them

SOMEWHERE in Earth's orbit, a satellite explodes into a terrifying cloud of debris. Moments later, Sandra Bullock and George Clooney are left scrambling to dodge the deadly space junk. This problem isn't confined to the Oscar-nominated space thriller Gravity scientists are struggling with it in real life. Now a rather unusual solution is being tested: a really big net.

Next month, the Japanese space agency, JAXA, will pilot its "" for the first time.

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"Space is big. Really big. You just won't believe how vastly, hugely, mind-boggingly big it is. I mean, you may think it's a long way down the street to the chemist, but that's just peanuts to space." - The Hitch-Hikers Guide to the Galaxy - Douglas Adams 1952 - 2001

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#2    Xynoplas

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Posted 23 January 2014 - 10:08 PM

Sounds very good on paper. Tethers and nets in space have been shown to have some unpredictable effects.

But it is a test, after all. And it's probably the best chance we have.

“Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense.” -The Buddha

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#3    Eldorado

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Posted 24 January 2014 - 01:04 PM

I take it this will be a very, very large net?


#4    Joe2112

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Posted 24 January 2014 - 02:40 PM

I think Japan should be concentrating all their efforts on that nuclear armageddon they're created.


#5    Waspie_Dwarf

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Posted 24 January 2014 - 02:58 PM

View PostJoe2112, on 24 January 2014 - 02:40 PM, said:

I think Japan should be concentrating all their efforts on that nuclear armageddon they're created.

Yes because space engineers and scientists are experts on cleaning up nuclear accidents. Oh, wait a minute they aren't.

Sorry but your post makes no sense. It is illogical in the extreme, a non sequitur of outstanding proportions. Not to put too fine a point on it, it is ridiculous.

Just because Japan SHOULD be putting more efforts into cleaning up Fukishima it does not mean they should simply stop everything else. How would that help?

Simple answer it wouldn't

"Space is big. Really big. You just won't believe how vastly, hugely, mind-boggingly big it is. I mean, you may think it's a long way down the street to the chemist, but that's just peanuts to space." - The Hitch-Hikers Guide to the Galaxy - Douglas Adams 1952 - 2001

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#6    Eldorado

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Posted 24 January 2014 - 03:03 PM

Waspie.  Did your lecturers teach good manners at that Uni you attended?


#7    Calibeliever

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Posted 24 January 2014 - 04:19 PM

I was wondering when someone was going to try this :)


#8    Ashyne

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Posted 24 January 2014 - 05:03 PM

We need the space debris as a sort of minefield for when the alien invasion force arrives. Alternatively, we could launch the space debris as projectiles at the alien ships.


#9    Xynoplas

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Posted 24 January 2014 - 05:27 PM

View PostEldorado, on 24 January 2014 - 01:04 PM, said:

I take it this will be a very, very large net?

Reading is FUNdamental!

http://www.newscient...ml#.UuCc9LRFDDd
"Unlike a net you would use in the ocean, this one is a 700-metre-long mesh of aluminium and steel wires that hangs from an uncrewed spacecraft."
"If next month's test launch goes well, it plans to build a 10-kilometre-long version to capture satellites that have reached the end of their lives."

“Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense.” -The Buddha

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#10    Eldorado

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Posted 24 January 2014 - 08:26 PM

View PostXynoplas, on 24 January 2014 - 05:27 PM, said:

Reading is FUNdamental!

http://www.newscient...ml#.UuCc9LRFDDd
"Unlike a net you would use in the ocean, this one is a 700-metre-long mesh of aluminium and steel wires that hangs from an uncrewed spacecraft."
"If next month's test launch goes well, it plans to build a 10-kilometre-long version to capture satellites that have reached the end of their lives."

Wow! I sure hope those robots have big hands.


#11    qxcontinuum

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Posted 25 January 2014 - 04:25 AM

View PostAshyne, on 24 January 2014 - 05:03 PM, said:

We need the space debris as a sort of minefield for when the alien invasion force arrives. Alternatively, we could launch the space debris as projectiles at the alien ships.

Yes true. The japanese want to catch the aliens in the mesh, beat them to death and eat them. Same like they do presently with dolphins.


#12    Xeder

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Posted 25 January 2014 - 11:26 AM

Seriously some of those comments here are pathetic... Japan spent their resources trying to help cleaning every country mess in space and all they get in return are whinings: Fukushima and dolphins.
They are trying really hard to handle Fukushima problem and since honor is the first thing they care about I am sure they are doing their best so stop whining.
About dolphins, every country fishes billions of fish per year and noone bats an eye. Japan kills like 200? of dolphins and now everyone is enraged. Just because those are dolphins doesn't mean they can't be eaten so similarily to Fukushima cause, STOP WHINING.

@ontopic, good job Japan. Hope it works well and that it is just first step to succesfully recycling those resources :)


#13    qxcontinuum

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Posted 25 January 2014 - 03:06 PM

Off topic , it isn't just the 200 , and the dolphins are not Fishes. They are smart intelligent mammals. Recently has been discovered that they have rationality like humans do, they have feelings including Fear. The male and female are pair for life. Their calfs are staying within family like humans do. They are the humans of the water.  Killing is not necessary, it is absurd, it is outside normal charts. What if they would kill your family.? Will you give them excuses too? They killed jews they fight with Natzies against all other nations, they ravaged China in the past. They are savages and their wild behaviour cannot be washed away, it is dark insight their minds. Today dolphins tomorrow some minorities again.
I don't care about space. They are planning things to take in space but incapable of handling their own nature on earth. What nature? Wait they don't have any left . They surrounded themselves in concrete and waste.

Edited by qxcontinuum, 25 January 2014 - 03:22 PM.


#14    DONTEATUS

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Posted 25 January 2014 - 09:01 PM

From magnetic space net trash removal to Killing HumanDolphins and over fishing,thats a strech Indeed. I`ll have to concur  with Waspie on this one We all need to get together and start Now solve all the problems,not just How much Can I make out of it ?
:tu:

This is a Work in Progress!

#15    qxcontinuum

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Posted 25 January 2014 - 09:46 PM

Well the point of my rant is that if a nation want to impress all other nations with bold initiative in space conquest, first must outcome their retarded earth damaging behaviours. Otherwise will simply end up having space ambassadors looking for alien races as potential new foods.

Edited by qxcontinuum, 25 January 2014 - 10:31 PM.





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