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Brackish Girl
~ Soul Eater ~

Ireland
1750 Posts

Posted - 09/10/2003 :  13:07:11  Show Profile
will someone/dave/jim tell me how to get rid of the space underneath my posts? i know its cos i had a big signature yada yada but is it possible to get rid of?

El Barto
= Song DB Master =

USA
4020 Posts

Posted - 09/10/2003 :  15:03:43  Show Profile  Visit El Barto's Homepage
Make sure there's no space in your sig left (it's possible), or there's an option to not include your sig when posting...try that.

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FRANK BLACK SATAN WORKSHIP BLACK MASS
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Ebb Vicious
* Dog in the Sand *

USA
1162 Posts

Posted - 09/10/2003 :  15:50:03  Show Profile  Visit Ebb Vicious's Homepage
the only space isee is that which is required to fit your postcount in the left table entry.
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Brackish Girl
~ Soul Eater ~

Ireland
1750 Posts

Posted - 09/10/2003 :  17:03:23  Show Profile
yes, thank you both, ye're both right in some respect...
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Dave Noisy
Minister of Chaos

Canada
4496 Posts

Posted - 09/10/2003 :  18:37:58  Show Profile  Visit Dave Noisy's Homepage
I think they summed it up.
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El Barto
= Song DB Master =

USA
4020 Posts

Posted - 09/10/2003 :  19:03:34  Show Profile  Visit El Barto's Homepage
Certainly.

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FRANK BLACK SATAN WORKSHIP BLACK MASS
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Cult_Of_Frank
= Black Noise Maker =

Canada
11687 Posts

Posted - 09/10/2003 :  20:57:16  Show Profile  Visit Cult_Of_Frank's Homepage
Yup.


"Join the Cult of Frank / And you'll be enlightened"
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El Barto
= Song DB Master =

USA
4020 Posts

Posted - 09/10/2003 :  22:23:57  Show Profile  Visit El Barto's Homepage
Fo shizzle.

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FRANK BLACK SATAN WORKSHIP BLACK MASS
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Dave Noisy
Minister of Chaos

Canada
4496 Posts

Posted - 09/11/2003 :  00:26:25  Show Profile  Visit Dave Noisy's Homepage
Who's accusing who of pointless postings??

Jesus chrizzle.
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miguel
- FB Fan -

USA
213 Posts

Posted - 09/11/2003 :  21:55:26  Show Profile  Visit miguel's Homepage
speaking of space:

WASHINGTON – The voice of a black hole is a deep, deep bass, 57 octaves below middle C and far beyond the hearing range of humans. The Chandra X-ray Observatory has picked up sound waves for the first time from a cluster of galaxies 250 million light years away.

Astronomers at the Institute of Astronomy in Cambridge, England, discovered the sound waves while analyzing the Chandra images of the Perseus cluster, an immense grouping of galaxies held in formation by the powerful tug of a supermassive black hole.

Andy Fabian, a professor at the Institute of Astronomy, said a close study of the fine detail collected by Chandra shows ripples in the X-ray pattern that are caused by sound waves excited by the energy from the black hole.

He said the sound produced by the black hole is a B flat, the same pitch as a key near middle C on the piano. But the song of the Perseus Black Hole is 57 octaves below that middle C. This is a tone frequency more than a million, billion times deeper than the limits of the human ear, said Fabian.

The voice of the black hole is detected by analyzing the pattern of X-rays coming from superheated gases in the Perseus galactic cluster, said Fabian.

Squeezed by the gravitational pull of the black hole and the galaxies in the cluster, gases are heated to 50 million degrees, hot enough to generate X-rays. A surge of sound waves adds heat energy, causing a slight change in the pattern of X-rays.

"Sound consists of pressure waves," said Fabian. "In the gas of the Perseus cluster, the higher pressure means more X-ray emission."

In effect, he said, the sound waves cause bright and dark emissions of X-rays moving in rings away from the black hole center like ripples on the surface of a pool.

"A three dimensional analogy is when a child takes a straw and blows into a glass of water, producing a sequence of bubbles," said Fabian. "That is like a sequence of sound waves."

The distance between sound waves determines the pitch. For instance, in a very high pitched sound, such as the extreme upper note of a violin, the sound waves are close together and cycle many times a second. Most sounds detectable by the human ear cycle very rapidly.

But the voice of the black hole could never be heard by the human ear because there are 10 million years between each of the sound waves, "clearly not within human experience," said Fabian.

Bruce Margon of the Space Telescope Science Institute, said the study by Fabian and his co-author Steve Allen, also of Cambridge, shows a new way that black hole use to dissipate energy.

"We've known that a black hole can give off energy as light and heat and now we are seeing a third way – sound," said Margon.

He said that the Perseus Black Hole may play only one note, but it has been playing for about three billion years.

"Although this symphony does not have a lot of variety, it is surely the longest lasting symphony that we know," said Margon.

Fabian said that discovery is prompting astronomers to look for telltale ripples in the superheated gas around other black holes.

It is possible, he said, that other galactic clusters are singing in other tones.

"We would expect that every cluster and group of galaxies has its own note," said Fabian. "So if you look at the whole universe, there are many tunes being played."

A black hole is a single point in space that is so dense with matter that its gravitational field will not permit the escape of anything, not even light. This immense gravitation pull causes gas and other matter to accelerate at a high rate of speed and to heat by millions of degrees. The action of the black hole also can create jets of matter that shoot out from opposite sides of the single point.

The jets are what causes the sound waves, said Allen. The jets compress and push away gas, leaving behind cavities. Sound waves streak away from these cavities, crash into the gas and transfer energy as heat. This heat, in turn, triggers X-rays detected by Chandra. The X-rays match the cycle of the sound waves. Thus, by measuring the distance between the waves, the researchers could determine the pitch of the black hole sound.

It is, said Fabian, "the lowest note known in the universe."
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Dave Noisy
Minister of Chaos

Canada
4496 Posts

Posted - 09/11/2003 :  22:51:58  Show Profile  Visit Dave Noisy's Homepage
haha - i thought that was an AWESOME article! I sent it to several friends..none of who responded..

Anyway, singing black holes, what could be cooler??
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glacial906
* Dog in the Sand *

USA
1738 Posts

Posted - 09/11/2003 :  23:36:53  Show Profile
yes, space will do us all good.

"...you can see here by my grin I don't give a fuck..."
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Cult_Of_Frank
= Black Noise Maker =

Canada
11687 Posts

Posted - 09/12/2003 :  07:52:39  Show Profile  Visit Cult_Of_Frank's Homepage
Me to Dave, Ha!


"Join the Cult of Frank / And you'll be enlightened"
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Dave Noisy
Minister of Chaos

Canada
4496 Posts

Posted - 09/12/2003 :  12:30:12  Show Profile  Visit Dave Noisy's Homepage
Me to Dean, indeed, and i forgot about this!


"We've got Dean to thank / For this Cult of Frank"
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