Hottest

I read somehwere a hundred billion degrees Kelvin.

 

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So that's where I read it...

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It's going to be 110f in Dallas today...hot enough for me.

 

I would think the LHC is, or will be when fully up, over a very small amount of space.

 

A team of scientists has created the hottest temperature matter ever measured in the universe - 7.2 trillion degrees Fahrenheit.

http://www.dnaindia.com/scitech/report_scientists-create-hottest-temperature-in-universe_1349380

 

So exactly how can they tell what the temperatures are at that very high range? Is there a device that allows them to measure at this range, what is it?

 

Dunno. Lasers?

 

How would a laser determine the temperatures at over 500 billion degrees?:shrug:

 

The article is in error. The LHC also creates a 'quark-gluon-plasma', but uses Lead instead of Gold ions in the collisions. It is currently back to using proton collisions after having done Lead collisions, but it is intended to use Lead collisions again after their plans to 'upgrade' the machine to effectively double the energy.

It presently holds the record for the 'hottest' (most energetic) collisions of heavy nuclei, not the RHIC as the article claims.

 

The same way it determines temperatures at 5 degrees? :shrug:

 

Would it be possible to measure the heat generated by the Big Bang?

 

Not unless you were there. But it can be calculated.

 

Pyrometers, most likely.

 

do you know if it ever has been?

And in this thread, have I been given a definitive answer as to where teh very hottest place in teh universe is?

 

At the big bang, likely temperature as well as time had no meaning. According to The Fabric of the Cosmos by Brian Greene, the tempertures in Degrees Kelvin were as follows at various times:

10^-35 sec 10^28 K
10^-12 sec 10^15K
1 sec 10^10K
10^9 years 10K
today 2.7K Current tempeture of Cosmic Background Microwave Radiation, left over from the big bang.

I wonder about time meant in the very early universe. I don't know if these answers mean anything based on that.

 

sorry, John. I have no idea what your post says. Is it a yes or a no?

 

Sorry about the notation problem. 10^28 K is 10, with 28 0's after it. It is the temperature said to have existed at 10 with 35 0's after the decimal point.

The first is very large, the latter very small.

As to the hottest temperatre in the universe, I don't know as my view on what is the universe is all over the place.

 

Supernovae from experimentation?

Aloha,

Please recall that the type 1 a supernovae are the largest and most energetic(hotter?) of the supernovae and show no trace of hydrogen near maximum light. They do not gain sufficient mass through the accretion of additonal mass from neiboring hydrogen dominant objects. Are they then product of the pentance towards de Sitter space or some other energetic domain thus being the evidence of Supernovae from experimentation? Please follow the new observations of SN Type Ia in the Pinwheel galaxy.