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Jupiter, photographed earlier this year with Europa
The surface crust of the sun is mostly made of iron. It is likely however that the surface varies in iron content from one part of the crust to another. Parts of the surface may look much like the fragment above, while other regions along the surface may contain more iron and look like the fragments below.
Originally posted by sema sema
he he i just been reading this thread and boy have you guys made me giggle, i just want to ask a couple of things and let you all know a couple of facts about this issue...
so questions first... do any of know anything about fusion, plasma and pressure levels?
does anybody know anything about the core of jupiter, cus none of the space agencies do.
why are all of you saying we would be toast if it did light, thats one of stupidest things i have every hurd, its not a giant nuclear war head you know?? what protects the earth from the sun? and arn't we actually closer to the sun than we are to jupiter? also isn't the sun a lot bigger than jupiter?? some of you people seriously make me laugh
ok now to some facts... all the information about jupiter is speculation, we have no solid evidence of pressure levels of whats happening bellow the the surface of jupiter, we don't even know what is at the core of jupiter
the temperature under the gas layer is said to be about 7000 kelvin composing of mainly liquid helium and hydrogen, and they ESTIMATE the core to be at a temperature of about 20,000 kelvin now this don't sound too bad until you notice that these scientist in there great wisdom have stated there is frozen layer between the core and the metalic helium,,, i mean ello there is something quite wrong with your instruments or this theory to think you can get frozen ice between 7000 kelvin in temp and 20,000 kelvin in temp i would go as far as saying that is just stupidity to state.
ok still on the core i guess they don't know whats there cus they can't image it and that explains this ice theory they got, "oh it must be ice"
let me put this into prospective for you...the core is 10 times the size of earth roughly and its under about 80,000 bar pressure even if the core is not in a plasma-tic state its going to be seriously hot and ice just is not an option for a planet omitting serious amounts of heat let alone a magnet field ass huge as jupiters
jupiter is still contracting witch means the pressure levels are still rising, as it contracts it will continue to exert more force on the molecule's inside its core making it hotter.
i will be quite frank with you now based on estimates jupiter is no where close to igniting but as it contracts there is a strong possibility it will reach the pressure and temperature for a small burn cycle, i think at the core there is a very unstable ball of iron and rock and this is fluidic and still heating up explaining the magnetic field being the size it is, and its frequent irregularities that where measured by casini and the other probe i can't remember its name now.
it won't explode its simply spinning too fast and when it does ignite long into the future witch i think it will, it will be a slow steady thing, its not a star or even a red dwarf, one thing you guys did get right, it wouldn't burn for long in the respect of a star or even a red dwarf, a blink of an eye is probably the best way to think of it as quick as it lit it would die out again, its not big enough to sustain long term fusion.
thats my 5c on this subject anyway
Originally posted by theresult
reply to post by daz__
I mean what do you have to say of the proven scientific fact that jupiter is a dwarf star.. A star that failed to ignite
there you have it FAILED you dittohead...
ITS NOT GOING TO BE A STAR BECOUSE IT CANT BE ONE..
do you even read what infact you type?? and NO i dont mean that in a bad way im just pointing out WHAT YOU SAID..
it failed FOR A REASON
have you ever dont astrophysics befor? or even understand WHY its not a sun nor shall it ever be one..?
BECOUSE IF IT WAS OR HAD THE SAME PROPERTIES OF THE SUN THEN IT WOULD BE ONE..
the mind does boggle............................... IRM help me out here buddie
MARCH IN 2 WEEKS, WHAT? IT'S JULY 22ND 2010. How old is this?
Originally posted by Thill
Well March is in 2 weeks so I guess we wont have to wait long to see if the theory was right or not ;]
Originally posted by xxstarlightxxthere is no real evidence that Jupiter can or cannot support being a sun.
Originally posted by nite owl
MARCH IN 2 WEEKS, WHAT? IT'S JULY 22ND 2010. How old is this?
Originally posted by Thill
Well March is in 2 weeks so I guess we wont have to wait long to see if the theory was right or not ;]
The data is incontrovertable: Jupiter cannot become a star.
Originally posted by spikey
reply to post by theresult
The new 'sun' would warm the 60 odd moons of Jupiter, and there would be several promising candidates among them for human colonization further down the road.