Deepest ocean in universe
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13-06-2013, 07:26 PM
RE: Deepest ocean in universe
(13-06-2013 07:16 PM)cjlr Wrote:  
(13-06-2013 06:55 PM)Chas Wrote:  But at those pressures, you no longer have an ocean - you have an ice age.

The important point is to notice how nearly vertical the line that marks the solid/liquid boundary is. The slope of that line is proportional to the compressibility.
At a given small range of temperature, pressure makes almost no difference. A liquid ocean would not have ice at the bottom except in a very narrow range of conditions.

Yes - until you have sufficiently high pressure. Such as a very tall water column would create (allowing for the remainder, above that point, to remain liquid).

It's a limited set of circumstances, sure - but the question is what's possible, not what's likely Big Grin.

I'm glad this thread has become interesting.

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13-06-2013, 07:59 PM
RE: Deepest ocean in universe
You're welcome Tongue

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13-06-2013, 08:16 PM (This post was last modified: 13-06-2013 08:22 PM by earmuffs.)
RE: Deepest ocean in universe
(12-06-2013 04:44 PM)Momsurroundedbyboys Wrote:  But isn't our solar system just a small dot in the universe?

No.
The Virgo Supercluster is but a mere speak in the KNOWN universe.
Our galaxy is a mere speak in the Virgo Supercluster.
Our solar system is a mere speak in our galaxy.
The Sun makes up 99.85% of our Solar System's mass, all the planets combined make up just over 0.1% of our Solar System's mass, the vast majority of that being Jupiter of course.

So to say that our Solar System, and our planet as an extension, is just a small dot is huge over-exaggeration.

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14-06-2013, 06:46 AM
RE: Deepest ocean in universe
(13-06-2013 07:16 PM)cjlr Wrote:  
(13-06-2013 06:55 PM)Chas Wrote:  But at those pressures, you no longer have an ocean - you have an ice age.

The important point is to notice how nearly vertical the line that marks the solid/liquid boundary is. The slope of that line is proportional to the compressibility.
At a given small range of temperature, pressure makes almost no difference. A liquid ocean would not have ice at the bottom except in a very narrow range of conditions.

Yes - until you have sufficiently high pressure. Such as a very tall water column would create (allowing for the remainder, above that point, to remain liquid).

It's a limited set of circumstances, sure - but the question is what's possible, not what's likely Big Grin.


Yes, you are right. The transition area would be very interesting, especially if the temperature was constant.

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Science is not a subject, but a method.
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14-06-2013, 01:30 PM
RE: Deepest ocean in universe
(13-06-2013 08:16 PM)earmuffs Wrote:  
(12-06-2013 04:44 PM)Momsurroundedbyboys Wrote:  But isn't our solar system just a small dot in the universe?

No.
The Virgo Supercluster is but a mere speak in the KNOWN universe.
Our galaxy is a mere speak in the Virgo Supercluster.
Our solar system is a mere speak in our galaxy.
The Sun makes up 99.85% of our Solar System's mass, all the planets combined make up just over 0.1% of our Solar System's mass, the vast majority of that being Jupiter of course.

So to say that our Solar System, and our planet as an extension, is just a small dot is huge over-exaggeration.

Thanks for the correction.


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That it ain't no sin to be glad you're alive -- Badlands; Bruce Springsteen

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15-06-2013, 08:13 AM
RE: Deepest ocean in universe
(14-06-2013 01:30 PM)Momsurroundedbyboys Wrote:  
(13-06-2013 08:16 PM)earmuffs Wrote:  No.
The Virgo Supercluster is but a mere speak in the KNOWN universe.
Our galaxy is a mere speak in the Virgo Supercluster.
Our solar system is a mere speak in our galaxy.
The Sun makes up 99.85% of our Solar System's mass, all the planets combined make up just over 0.1% of our Solar System's mass, the vast majority of that being Jupiter of course.

So to say that our Solar System, and our planet as an extension, is just a small dot is huge over-exaggeration.

Thanks for the correction.

No worries, happy to correct.

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18-06-2013, 10:27 AM
RE: Deepest ocean in universe
Thanks guys, I learned today what a Supercluster was.
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19-06-2013, 03:37 PM
RE: Deepest ocean in universe
Just for laughs "Why no-one should mess with the ocean"

http://www.buzzfeed.com/erinchack/why-no...-the-ocean

"Ocean: A body of water occupying about two-thirds of a world made for man - who has no gills.”~ Ambrose Bierce
“I am quite sure now that often, very often, in matters concerning religion and politics a man's reasoning powers are not above the monkey's."- Mark Twain in Eruption
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19-06-2013, 03:51 PM
RE: Deepest ocean in universe
(15-06-2013 08:13 AM)earmuffs Wrote:  
(14-06-2013 01:30 PM)Momsurroundedbyboys Wrote:  Thanks for the correction.

No worries, happy to correct.

Have you seen this site "The scale of the Universe"? I've posted it before.

http://htwins.net/scale2/?bordercolor=white

"Ocean: A body of water occupying about two-thirds of a world made for man - who has no gills.”~ Ambrose Bierce
“I am quite sure now that often, very often, in matters concerning religion and politics a man's reasoning powers are not above the monkey's."- Mark Twain in Eruption
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19-06-2013, 03:55 PM
RE: Deepest ocean in universe
(19-06-2013 03:51 PM)Full Circle Wrote:  
(15-06-2013 08:13 AM)earmuffs Wrote:  No worries, happy to correct.

Have you seen this site "The scale of the Universe"? I've posted it before.

http://htwins.net/scale2/?bordercolor=white

Honestly I don't think so. But I'll check it out when I'm not on the iPad. Probably not until Monday. Smile


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