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elektro80
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Joined: Mar 25, 2003 Posts: 21959 Location: Norway
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Posted: Sun Jan 04, 2004 7:51 pm Post subject:
EARTH LOSES ITS MAGNETISM |
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http://news.bbc.co.uk/2/hi/science/nature/3359555.stm
Some satellites already feel the effects.
What is uncertain is whether the weakened field is on the way to a complete collapse and a reversal that would flip the North and South Poles.
Compasses pointing North would then point South.
It is not a matter of whether it will happen, but when, said scientists who presented the latest research on the subject at a recent meeting of the American Geophysical Union in San Francisco.
But when is hard to pinpoint. The dipole reversal pattern is erratic.
"We can have periods without reversals for many millions of years, and we can have four or five reversals within one million years," said Yves Gallet, from Institut de Physique du Globe de Paris, France, who studies the palaeomagnetic record and estimates that the current decay started 2,000 years ago.
Over the last century and a half, since monitoring began, scientists have measured a 10% decline in the dipole. _________________ A Charity Pantomime in aid of Paranoid Schizophrenics descended into chaos yesterday when someone shouted, "He's behind you!"
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mosc
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Joined: Jan 31, 2003 Posts: 18197 Location: Durham, NC
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Posted: Sun Jan 04, 2004 11:07 pm Post subject:
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Boy, aren't we lucky. To be alive for such things as
Man on the moon,
Millenium,
Invention of the synthesizer,
Computers,
Global warming,
and now the filp of the mag field. |
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paul e.
Joined: Sep 22, 2003 Posts: 1567 Location: toronto, canada
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mosc
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Joined: Jan 31, 2003 Posts: 18197 Location: Durham, NC
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Posted: Sun Jan 04, 2004 11:26 pm Post subject:
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Yes, I listen to Art Bell and Coast To Coast on the radio. I know radio hams from Jacksonville, Florida, who were tracking the signals of all the Apollo missions. They were using directional antennas. They say all the doppler shifts and the directionality of the signals were right on for every mission. |
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paul e.
Joined: Sep 22, 2003 Posts: 1567 Location: toronto, canada
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Posted: Sun Jan 04, 2004 11:31 pm Post subject:
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what is very intersting tho , is the footprints on the moon
if the moon is in a vacuum, how does one make foot prints...? shouldn't the moon's ground by frozen solid in a vacuum?
personally, like the rest of us, we have no way of confirming either way..
but, i have noticed they have never turned hubble toward the moon, nor do any of the ultra high powered terra telescopes take really close up shots of the moon either..
a
anyway
btw.. i also listen to art bell...what a yob he is hehehe but his radio shows makes for some of the best samples of people talking i have ever got...hehhe |
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elektro80
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Joined: Mar 25, 2003 Posts: 21959 Location: Norway
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Posted: Mon Jan 05, 2004 12:14 am Post subject:
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If there is now water, then there is now ice? If the Moon´s surface is covered by dust, then this should explain the footprints?
BTW: I lost that link to this page which expains why the dubya is a yeti _________________ A Charity Pantomime in aid of Paranoid Schizophrenics descended into chaos yesterday when someone shouted, "He's behind you!"
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paul e.
Joined: Sep 22, 2003 Posts: 1567 Location: toronto, canada
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Posted: Mon Jan 05, 2004 10:08 am Post subject:
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in a vacuum, there would be no dust...it would be hard as a rock..hard to make footprints in
it's an interesting question to ponder Last edited by paul e. on Tue Jan 06, 2004 11:45 pm; edited 1 time in total |
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mosc
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Joined: Jan 31, 2003 Posts: 18197 Location: Durham, NC
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Posted: Mon Jan 05, 2004 12:09 pm Post subject:
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sudden wrote: | no, in a vacuum, there would be no dust |
No, the universe if filled with dust. Saturn's rings are mostly dust. There are huge clouds of interstellar dust you can see with the naked eye on a clear night in the Milky Way. There is not reason for dust to solidify in a vacuum. Prove it to yourself. Fill a jar with dust and then slowly take the air out with a vacuum pump. (Don't do it quickly or the dust will become an airosol and get pumped out with the air.) Then shake the jar. You'll see dust floating, as long as you have enough in there to see. |
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paul e.
Joined: Sep 22, 2003 Posts: 1567 Location: toronto, canada
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Posted: Mon Jan 05, 2004 9:14 pm Post subject:
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interesting...logically, i thought a vacuum meant 'nothing at all'..
but, in this theoretical vacuum-in-a-jar, some of the dust particles may be floating, but the rest of the dust will be rock hard, no?
if so, then perhaps this might be like the moon -- some dust in the 'air', but a rock hard surface?
if this is true, then the question has not yet been answered....
[btw, regarding saturn's rings, is the ring part of the planet's atmosphere?
because if it is part of it's atmosphere, then perhaps the rings are not in a vacuum after all?
i have no educational background in tihs stuff, so i am just curious.... |
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mosc
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Joined: Jan 31, 2003 Posts: 18197 Location: Durham, NC
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Posted: Mon Jan 05, 2004 10:23 pm Post subject:
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A vacuum won't make dust particles stick together. They are very small light weight particles that don't stick together. In air and in a vaccum they would have very similar properties. Left undisturbed, the particles will settle to the ground. If there was a lot of dust, it is logical that the dust would behave as shown in the pictures from the lunar landings.
Think of coffee in a vacuum packed can. It's not rock hard. Don't confuse this with vacuum packed foil packages.
The rings of Saturn are many thousands of miles above the planets atmosphere. It is believed that the small particles (from dust to boulder sized) in the rings are kept in place by the interacting gravitational fields of the moons. The rings are not solid, and even though they look solid, they are constantly changing; just slowly by our perspective. They are certainly in the vacuum of space. |
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paul e.
Joined: Sep 22, 2003 Posts: 1567 Location: toronto, canada
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Posted: Mon Jan 05, 2004 10:35 pm Post subject:
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fascinating indeed....
i guess i have always mis understood 'vacuum'..
as i had thought it was the philosophical 'nothingness' that is 'in between' matter in space
but i suppose this 'nothingness' is more about the so-called 'dark matter' we are hearing about, which apparently is not nothing at all, but a seemingly infinite amount of energy
all of this stuff is actually very humbling...
question for mosc.
do you think the 'big bang' is akin to the 'other side of a black hole'
i.e. if you could travel through a black hole, on the other side you would find a whole universe...if you could stand at the otherside of this black hole, you would see a 'white hole' of light and matter streaming out.
i have heard this idea discussed in the context of the 'multi-verse' concept.... |
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paul e.
Joined: Sep 22, 2003 Posts: 1567 Location: toronto, canada
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Posted: Mon Jan 05, 2004 10:44 pm Post subject:
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i am compelled to post this...
Tesla, Nikola b. July 9, 1856, Smiljan, Croatia--d. Jan. 7, 1943, New York City Serbian-American inventor and researcher who discovered the rotating magnetic field, the basis of most alternating-current machinery, and over700 other patents
http://www.neuronet.pitt.edu/~bogdan/tesla/bio.htm
In Colorado Springs, Colo., where he stayed from May 1899 until early 1900, Tesla made what he regarded as his most important discovery-- terrestrial stationary waves. By this discovery he proved that the Earth could be used as a conductor and would be as responsive as a tuning fork to electrical vibrations of a certain frequency...
it goes on.... mind wobbling material from this guy |
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mosc
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Joined: Jan 31, 2003 Posts: 18197 Location: Durham, NC
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Posted: Tue Jan 06, 2004 8:26 am Post subject:
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sudden wrote: |
do you think the 'big bang' is akin to the 'other side of a black hole' |
Anything's possible, and I must admit this idea is attractive for a symmetry perspective. It could well explain the strange fact that the universe is expanding at an accellerating rate. This implies that more and more energy is being put into the universe. Scientists call this dark energy. If one takes the view that we are on the other side of a black hole, then one could say that when more matter falls into our hole, then our universe expands. The big bang might just be the first formation of our black hole; what you call the white hole with matter streaming out. |
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elektro80
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Joined: Mar 25, 2003 Posts: 21959 Location: Norway
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Posted: Tue Jan 06, 2004 4:27 pm Post subject:
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This link is interesting: http://electro-music.com/forum/topic-867.html
"Has XMM-Newton cast doubt over dark energy?
EUROPEAN SPACE AGENCY NEWS RELEASE
Posted: December 12, 2003
European Space Agency's X-ray observatory, XMM-Newton, has returned tantalising new data about the nature of the Universe. In a survey of distant clusters of galaxies, XMM-Newton has found puzzling differences between today's clusters of galaxies and those present in the Universe around seven thousand million years ago. Some scientists claim that this can be interpreted to mean that the 'dark energy' which most astronomers now believe dominates the Universe simply does not exist?
Observations of eight distant clusters of galaxies, the furthest of which is around 10 thousand million light years away, were studied by an international group of astronomers led by David Lumb of ESA's Space Research and Technology Centre (ESTEC) in the Netherlands. They compared these clusters to those found in the nearby Universe. This study was conducted as part of the larger XMM-Newton Omega Project, which investigates the density of matter in the Universe under the lead of Jim Bartlett of the College de France.
Clusters of galaxies are prodigious emitters of X-rays because they contain a large quantity of high-temperature gas. This gas surrounds galaxies in the same way as steam surrounds people in a sauna. By measuring the quantity and energy of X-rays from a cluster, astronomers can work out both the temperature of the cluster gas and also the mass of the cluster.
Theoretically, in a Universe where the density of matter is high, clusters of galaxies would continue to grow with time and so, on average, should contain more mass now than in the past.
Most astronomers believe that we live in a low-density Universe in which a mysterious substance known as 'dark energy' accounts for 70% of the content of the cosmos and, therefore, pervades everything. In this scenario, clusters of galaxies should stop growing early in the history of the Universe and look virtually indistinguishable from those of today.
In a paper soon to be published by the European journal Astronomy and Astrophysics, astronomers from the XMM-Newton Omega Project present results showing that clusters of galaxies in the distant Universe are not like those of today. They seem to give out more X-rays than today. So clearly, clusters of galaxies have changed their appearance with time.
In an accompanying paper, Alain Blanchard of the Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrenees and his team use the results to calculate how the abundance of galaxy clusters changes with time. Blanchard says, "There were fewer galaxy clusters in the past."
Such a result indicates that the Universe must be a high-density environment, in clear contradiction to the 'concordance model,' which postulates a Universe with up to 70% dark energy and a very low density of matter. Blanchard knows that this conclusion will be highly controversial, saying, "To account for these results you have to have a lot of matter in the Universe and that leaves little room for dark energy."
To reconcile the new XMM-Newton observations with the concordance models, astronomers would have to admit a fundamental gap in their knowledge about the behaviour of the clusters and, possibly, of the galaxies within them. For instance, galaxies in the faraway clusters would have to be injecting more energy into their surrounding gas than is currently understood. That process should then gradually taper off as the cluster and the galaxies within it grow older.
matter which way the results are interpreted, XMM-Newton has given astronomers a new insight into the Universe and a new mystery to puzzle over. As for the possibility that the XMM-Newton results are simply wrong, they are in the process of being confirmed by other X-ray observations. Should these return the same answer, we might have to rethink our understanding of the Universe.
The contents of the Universe
The content of the Universe is widely thought to consist of three types of substance: normal matter, dark matter and dark energy. Normal matter consists of the atoms that make up stars, planets, human beings and every other visible object in the Universe. As humbling as it sounds, normal matter almost certainly accounts for a small proportion of the Universe, somewhere between 1% and 10%.
The more astronomers observed the Universe, the more matter they needed to find to explain it all. This matter could not bemade of normal atoms, however, otherwise there would be more stars and galaxies to be seen. Instead, they coined the term dark matter for this peculiar substance precisely because it escapes our detection. At the same time, physicists trying to further the understanding of the forces of nature were starting to believe that new and exotic particles of matter must be abundant in the Universe. These would hardly ever interact with normal matter and many now believe that these particles are the dark matter. At the present time, even though many experiments are underway to detect dark matter particles, none have been successful. Nevertheless, astronomers still believe that somewhere between 30% and 99% of the Universe may consist of dark matter.
Dark energy is the latest addition to the contents of the Universe. Originally, Albert Einstein introduced the idea of an all-pervading 'cosmic energy' before he knew that the Universe is expanding. The expanding Universe did not need a 'cosmological constant' as Einstein had called his energy. However, in the 1990s observations of exploding stars in the distant Universe suggested that the Universe was not just expanding but accelerating as well. The only way to explain this was to reintroduce Einstein's cosmic energy in a slightly altered form, called dark energy. No one knows what the dark energy might be.In the currently popular 'concordance model' of the Universe, 70% of the cosmos is thought to be dark energy, 25% dark matter and 5% normal matter.
XMM-Newton
XMM-Newton can detect more X-ray sources than any previous satellite and is helping to solve many cosmic mysteries of the violent Universe, from black holes to the formation of galaxies. It was launched on 10 December 1999, using an Ariane-5 rocket from French Guiana. It is expected to return data for a decade. XMM-Newton's high-tech design uses over 170 wafer-thin cylindrical mirrors spread over three telescopes.Its orbit takes it almost a third of the way to the Moon, so that astronomers can enjoy long, uninterrupted views of celestial objects."
http://spaceflightnow.com/news/n0312/12darkenergy/ _________________ A Charity Pantomime in aid of Paranoid Schizophrenics descended into chaos yesterday when someone shouted, "He's behind you!"
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mosc
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Posted: Tue Jan 06, 2004 5:48 pm Post subject:
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Well, there you have it. This new evidence is compatible with Sudden's inside-out black hole theory. |
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elektro80
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Joined: Mar 25, 2003 Posts: 21959 Location: Norway
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Posted: Tue Jan 06, 2004 5:52 pm Post subject:
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Sudden - da boss!
_________________ A Charity Pantomime in aid of Paranoid Schizophrenics descended into chaos yesterday when someone shouted, "He's behind you!"
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paul e.
Joined: Sep 22, 2003 Posts: 1567 Location: toronto, canada
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Posted: Tue Jan 06, 2004 8:09 pm Post subject:
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i love this quote from douglas adams, authour of A Hitchikers Guide to the Galaxy
There is a theory which states that if ever anybody discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.
There is another theory which states that this has already happened. |
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elektro80
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Joined: Mar 25, 2003 Posts: 21959 Location: Norway
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Posted: Wed Jan 07, 2004 12:58 am Post subject:
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It is an excellent quote! _________________ A Charity Pantomime in aid of Paranoid Schizophrenics descended into chaos yesterday when someone shouted, "He's behind you!"
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seraph
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Joined: Jun 21, 2003 Posts: 12398 Location: Firenze, Italy
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Posted: Fri Jan 09, 2004 6:41 am Post subject:
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sudden wrote: | Tesla, Nikola b. July 9, 1856, Smiljan, Croatia--d. Jan. 7, 1943, New York City Serbian-American inventor and researcher who discovered the rotating magnetic field, the basis of most alternating-current machinery, and over700 other patents
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check this out _________________ homepage - blog - forum - youtube
Quote: | Don't die with your music still in you - Wayne Dyer |
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seraph
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Joined: Jun 21, 2003 Posts: 12398 Location: Firenze, Italy
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Posted: Fri Jan 09, 2004 7:10 am Post subject:
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CD Zapping
Take one CD, Microwave at full power for 5 seconds, and place on top of tesla coil. Enjoy!
these earthlings are weird _________________ homepage - blog - forum - youtube
Quote: | Don't die with your music still in you - Wayne Dyer |
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