So the analogy is we can expect a few sand castles to appear in the universe somewhere? I really didn't like his explanation or assumption on this. At the big bang the universe was in a state of high entropy - it was uniform. So how can it go lower?
Wonders of the Universe
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So the analogy is we can expect a few sand castles to appear in the universe somewhere? I really didn't like his explanation or assumption on this. At the big bang the universe was in a state of high entropy - it was uniform. So how can it go lower?
it can't as it's irreversable, thermodynamics is based on energy and unless we fuel the energy via another source it would eventually run out. In a nutshell protons and atoms react a lot quicker in a heated state, however when the heat energy is used up it cools "heat death", which means the energy which is released is not re-useable, into disorder and chaos.
the laws of thermodynamics is pretty much used everyday, it what makes things grow, how we live and how we get to places.
Even if space was infinate, eventually in time it would die off.
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You are probably right with Lintott taking over if they keep the show in the same format, but when Moore does finally finish then they may try to move the show to an earlier slot with a new format. You know what the BBC are like and they never leave anything alone, but seeing as Moore has done this show since the beginning I believe they will continue to respect his presenting style and the show until he does finish.
The stargazing live show that Cox and Ó Briain presented on, may have been the BBC 'testing the water' so to speak with a possible format change for the sky at night, to allow it to bring astronomy/cosmology/physics to a more general audience as currently the show is very target audience specific, which coincidentally is what appeals to me
.I could be completely wrong about the above as im basing it entirely on my own hunch
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his first series was amazing , this one seems to be just as good only been one ep tho lol
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*Sings* Things can only get better, only get better ...
The stargazing live show that Cox and Ó Briain presented on, may have been the BBC 'testing the water' so to speak with a possible format change for the sky at night, to allow it to bring astronomy/cosmology/physics to a more general audience as currently the show is very target audience specific, which coincidentally is what appeals to me
This is probably right. They will more than likely replace Patrick with a celeb of some form and have Chris Lintott as the regular expert as I don't think Lintott on his own has the necessary charisma, compared to Patrick. O'Briain would probably be a good choice or Liz Bonnin. It won't tbe the same though without Patrick though
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this
Wow! Haters are out
I thought it was a tad slow in places, but the final 20 mins I found excellent. I wasn't aware of this cold-death ending to the Universe, and the tiny fraction of time within the Universe's foreseeable lifespan in which life can exist to marvel at it!
Question is, all those trillions of years in the future, when there's nothing... What then? ie: No cycles to the universe?
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theres no such thing as nothing, nothing is not possible - there is always a vacuum or 'state' /states that change and adapt.
Maybe someone can address this? The program eluded that far enough in the future the universe would settle at absolute zero, and all matter would in time irradiate away? Leaving?
nothing, a high rate of entropy = unsable energy.
when the big bang occured the universe was a low rate of entropy, which meant most of energy was usable to produce galaxies and stars, which mean't that it was at the point of order and constant. However due to the 2nd law of thermodynamics eventually rate of entropy rises as the amount of energy is used, it would create disorder and chaos. For example take a car engine when you put fuel in your car it starts, but once the fuel runs out the car doesn't start or dies, it's irreversable you can't re-use the energy to keep the car going unless you have another source.
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it doesnt leave nothing though, not in physics. it leaves a vacuum and because its recordable its not nothing.
was reading a while back that according to some researchers there is evidence of such a vacuum in the universe but the general theories surrounding it cant really be elaborated on until the LHC cracks the string theory stuff - which may never be in our lifetime.
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But for all intents and purposes... Nothing...
In time, not even a single atom would exist? And time will just tick on for eternity with this soup of nothingness, and nothing more/else...?
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nothing to us maybe , but that is more to do with our theories and intellectual abilites.
In reality nothing is actually something far greater than we understand - but now were getting into philosophy topics.
our understanding of physics is pretty feeble and im sure in 100-200 years time we will be scoffed at for thinking X and thinking Y...when infact its all totally different.
In reality nothing is actually something far greater than we understand - but now were getting into philosophy topics.
our understanding of physics is pretty feeble and im sure in 100-200 years time we will be scoffed at for thinking X and thinking Y...when infact its all totally different.
what about the magic partles that cause hawkings radiation, and push two plate together then they are put in very close proximity?
they will always pop in and out? - though I suppose they must be comming from some where which is also moving to a higher entropy?
as the universe is expanding the rate of energy used will slowly decay = entropy, the atoms that create stars ect. will come to cold state that cannot be re-used or reversable. eventually our cosmos will dissapear but this is over billions of years.
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this is string theory, and if proven will pretty much destroy everything we currently understand about physics and the universe.
and it also starts creating really credible evidence for planes of existence outside of our own.
