Born to do Math 72 – Photon, Photon, and Away!
Author(s): Scott Douglas Jacobsen and Rick Rosner
Publication (Outlet/Website): Born To Do Math
Publication Date (yyyy/mm/dd): 2017/08/15
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Rick Rosner: In an expanding universe, a moving photon is moving away from – the farther and longer it travels then the more it is moving into the neighbourhoods of galaxies that are receding from its point of origin, so the longer it travels the faster the galaxies or the average expansion velocity of space is relative to where it came from.
So, it is going to be wretched. But that loss of energy—I just read that there are many more photons than there are massive particles. Particles that have rest mass. In every cubic centimetre, there are roughly 400 photons leftover from the Big Bang.
I guess from the Cosmic Microwave Background. Where the average number of massive particles is one proton for every cubic metre, so that means like 400 million times as many Big Bang photons or Cosmic Microwave photons as there are protons.
That doesn’t even include all the photons that have emitted since. Another place to hide disorder might be black holes. Where depending on what the rules for black holes are, I mean, Stephen Hawking and people like him have spent their careers debating the informational rules and black holes with regards to information.
Whether information is lost when stuff falls into a black hole, whether it eventually comes back out, does it come back out with any amount of information that went in, in any way? Under IC, black holes aren’t entirely black and can, maybe, be possibly seen as semi-independent information processors.
So, not only do they, they might be sources of order rather than additional information and order – rather than relentless black holes of information, constantly destroying whatever gets close enough to fall into them. So, one narrative framework for IC is that it might be good for talking about the universe in the context of the universe being an order-generating system in contrast to the random doomed-to-have-zero-information of the 20th century. That’s it.
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