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Satellite to land somewhere on Earth today...
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Sabot
bb1
6 posters
Satellite to land somewhere on Earth today...
bb1 Fri Sep 23, 2011 11:25 am
Nasa Satellite 'To Hit Earth Within Hours'
Nasa probe Uars is the size of a bus
Ashish Joshi, Sky News correspondent
A defunct six-ton satellite is hurtling towards earth and is expected to crash within the next 24 hours, but experts have no idea where it will land.
The Nasa Upper Atmosphere Research Satellite (Uars) could shower debris anywhere over the six inhabited continents - from as far north as Alaska to the bottom tip of South America.
Satellites as large as Uars re-enter Earth's atmosphere about once a year and Nasa said there have been no reports of any deaths or injuries to people from falling debris.
But space expert Doug Millard at London's Science Museum thinks this one is worth watching.
He said: "This is one of the largest satellites up there.
"It's about the size of a double-decker bus. Most satellites when they come down, they are smaller, they burn up and no one notices. Because of the size it's a little more significant."
Nasa has said the odds of a piece of the Uars debris striking a person is about one in 3,200.
The agency insists most of the 20-year-old probe will burn up in the atmosphere and that the debris will most likely fall into an ocean or land in an uninhabited region of Earth.
That remark probably guarantees it''s going to land in the middle of Red Square....
More at:
http://news.sky.com/home/technology/article/16075394
Nasa probe Uars is the size of a bus
Ashish Joshi, Sky News correspondent
A defunct six-ton satellite is hurtling towards earth and is expected to crash within the next 24 hours, but experts have no idea where it will land.
The Nasa Upper Atmosphere Research Satellite (Uars) could shower debris anywhere over the six inhabited continents - from as far north as Alaska to the bottom tip of South America.
Satellites as large as Uars re-enter Earth's atmosphere about once a year and Nasa said there have been no reports of any deaths or injuries to people from falling debris.
But space expert Doug Millard at London's Science Museum thinks this one is worth watching.
He said: "This is one of the largest satellites up there.
"It's about the size of a double-decker bus. Most satellites when they come down, they are smaller, they burn up and no one notices. Because of the size it's a little more significant."
Nasa has said the odds of a piece of the Uars debris striking a person is about one in 3,200.
The agency insists most of the 20-year-old probe will burn up in the atmosphere and that the debris will most likely fall into an ocean or land in an uninhabited region of Earth.
That remark probably guarantees it''s going to land in the middle of Red Square....
More at:
http://news.sky.com/home/technology/article/16075394
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Re: Satellite to land somewhere on Earth today...
Sabot Fri Sep 23, 2011 1:03 pm
I am going to go out, just to be on the safe side.
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Re: Satellite to land somewhere on Earth today...
lily Fri Sep 23, 2011 7:13 pm
Those odds are not exactly very encouraging, are they? 
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Re: Satellite to land somewhere on Earth today...
Lamplighter Fri Sep 23, 2011 7:53 pm
Doubt it will land here, we are insignificant. LL 
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Re: Satellite to land somewhere on Earth today...
bb1 Fri Sep 23, 2011 7:54 pm
It seems its path is being affected by a badly-timed solar flare.
From:
http://news.sky.com/home/technology/article/16075394
This is due to the satellite's unpredictable tumbles and changes in the thickness of the atmosphere, which is partly down to a powerful solar flare.
The flare releases highly charged particles in the direction of Earth.
When the particles hit the atmosphere, they cause it to heat up and expand, which in turn affects the density of the air Uars encounters as it falls in orbit.
Nasa said: "The satellite's orientation apparently has changed and that is now slowing its descent.
"There is a low probability any debris that survives re-entry will land in the United States but the possibility cannot be discounted because of this changing rate of descent."
I will refrain from commenting on the satellite's rather unfortunate name.
From:
http://news.sky.com/home/technology/article/16075394
This is due to the satellite's unpredictable tumbles and changes in the thickness of the atmosphere, which is partly down to a powerful solar flare.
The flare releases highly charged particles in the direction of Earth.
When the particles hit the atmosphere, they cause it to heat up and expand, which in turn affects the density of the air Uars encounters as it falls in orbit.
Nasa said: "The satellite's orientation apparently has changed and that is now slowing its descent.
"There is a low probability any debris that survives re-entry will land in the United States but the possibility cannot be discounted because of this changing rate of descent."
I will refrain from commenting on the satellite's rather unfortunate name.
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Re: Satellite to land somewhere on Earth today...
bb1 Fri Sep 23, 2011 8:07 pm
What happens if the satellite hits the CERN centre just as a particle is passing lightspeed? 
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Re: Satellite to land somewhere on Earth today...
Lamplighter Fri Sep 23, 2011 8:32 pm
Whoops, Apocalypse? LLbb1 wrote:What happens if the satellite hits the CERN centre just as a particle is passing lightspeed?
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Re: Satellite to land somewhere on Earth today...
lily Fri Sep 23, 2011 9:03 pm
Lamplighter wrote:Whoops, Apocalypse? LLbb1 wrote:What happens if the satellite hits the CERN centre just as a particle is passing lightspeed?
I'll say.....
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Re: Satellite to land somewhere on Earth today...
bb1 Fri Sep 23, 2011 10:50 pm
Does anyone know when it is supposed to land?
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Re: Satellite to land somewhere on Earth today...
crazytony Fri Sep 23, 2011 10:58 pm
Following it herebb1 wrote:Does anyone know when it is supposed to land?
http://www.nasa.gov/mission_pages/uars/index.html
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Re: Satellite to land somewhere on Earth today...
lily Fri Sep 23, 2011 11:04 pm
http://www.bbc.co.uk/news/science-environment-15034073
The above is also very interesting. Mentions such things as liability.
The above is also very interesting. Mentions such things as liability.
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Re: Satellite to land somewhere on Earth today...
lily Fri Sep 23, 2011 11:17 pm
Have just read this on MM, which I have not looked at for ages.
Re: Satellite expected to crash into Earth later today
Lioned Today at 10:22 pm
I heard it had passed over the South East three times tonight and getting lower each time !!
Is that close to Harlow?
Re: Satellite expected to crash into Earth later today
Lioned Today at 10:22 pm
I heard it had passed over the South East three times tonight and getting lower each time !!
Is that close to Harlow?
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Re: Satellite to land somewhere on Earth today...
muratfan Sat Sep 24, 2011 12:08 am
Just think ...you have nearly 100 times better the odds of getting hit by pieces of this satellite than actually winning the Lottery
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Re: Satellite to land somewhere on Earth today...
bb1 Sat Sep 24, 2011 12:16 am
Ah well, I won a stonking £5 on the Thunderball tonight..I will try not to let it change my life too much....
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Re: Satellite to land somewhere on Earth today...
crazytony Sat Sep 24, 2011 12:40 am
Don't spend it all at once nowbb1 wrote:Ah well, I won a stonking £5 on the Thunderball tonight..I will try not to let it change my life too much....
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Re: Satellite to land somewhere on Earth today...
bb1 Sat Sep 24, 2011 10:57 am
According to Sky, it has landed:
http://news.sky.com/home/world-news/article/16076156
though no-one seems too sure where....possibly Canada.
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Re: Satellite to land somewhere on Earth today...
bb1 Sat Sep 24, 2011 9:35 pm
Well, I must say, this is all very disappointing. Suppose it had been a bus-size asteroid? Bruce Willis would have had no chance to save the world while Steve Tyler sang to him.
World Leaders would just have said, Oh, it's going to land somewhere or other? Canada you say? That's OK, then.
World Leaders would just have said, Oh, it's going to land somewhere or other? Canada you say? That's OK, then.
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Re: Satellite to land somewhere on Earth today...
lily Sat Sep 24, 2011 9:38 pm
I can't understand this sloppiness, frankly, Bonny. 
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