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SVTPerformance's Chain of Restaurants
Road Side Pub
Random Facts and Useless Knowledge
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<blockquote data-quote="CV355" data-source="post: 16030062" data-attributes="member: 181885"><p>Every sub-atomic particle in your body existed at the birth of the universe, though not necessarily configured within the same molecule.</p><p></p><p>The Cold Death theory of the universe is the theory that, eventually, all matter in the universe will be consumed within black holes, then dead radiation. Think of every galaxy as a whirlpool. Those supermassive black holes expel energy through Hawking radiation, sort of "boiling off" over time in the form of radiation. After an incomprehensible amount of time, all matter will be dissipated with no thermodynamic free energy. That state is the maximum entropy state for the universe, assuming it is finite and a closed thermodynamic system. Sub-atomic particles will cease to move within their orbital configurations. Dead matter at zero kelvin. At that point, everything that has ever existed has lost the game.</p><p></p><p>Also, cool side-note... The largest supermassive black hole calculated within galaxies we know of has an event horizon 7 times larger than our solar system. Its average density would be that of water. As large as that is... If our sun was a grain of sand, the solar system would be about as large as a football field, and our galaxy would be roughly 50-60% of the size of our actual sun. So 7 football fields on the sun is about the same scale as the largest singular item (I don't count clouds or groupings) known in the universe vs a relatively normal sized galaxy.</p><p></p><p>Bonus: Water <em><u>is</u> </em>compressible. Compress it enough (beyond roughly 25% increased density), and it phase changes to ice. Hot ice. Cool that ice and it becomes liquid again. If you maintain constant temperature, that highly compressed ice changes crystalline structure from ortho-rhombic to hexagonal.</p></blockquote><p></p>
[QUOTE="CV355, post: 16030062, member: 181885"] Every sub-atomic particle in your body existed at the birth of the universe, though not necessarily configured within the same molecule. The Cold Death theory of the universe is the theory that, eventually, all matter in the universe will be consumed within black holes, then dead radiation. Think of every galaxy as a whirlpool. Those supermassive black holes expel energy through Hawking radiation, sort of "boiling off" over time in the form of radiation. After an incomprehensible amount of time, all matter will be dissipated with no thermodynamic free energy. That state is the maximum entropy state for the universe, assuming it is finite and a closed thermodynamic system. Sub-atomic particles will cease to move within their orbital configurations. Dead matter at zero kelvin. At that point, everything that has ever existed has lost the game. Also, cool side-note... The largest supermassive black hole calculated within galaxies we know of has an event horizon 7 times larger than our solar system. Its average density would be that of water. As large as that is... If our sun was a grain of sand, the solar system would be about as large as a football field, and our galaxy would be roughly 50-60% of the size of our actual sun. So 7 football fields on the sun is about the same scale as the largest singular item (I don't count clouds or groupings) known in the universe vs a relatively normal sized galaxy. Bonus: Water [i][U]is[/U] [/i]compressible. Compress it enough (beyond roughly 25% increased density), and it phase changes to ice. Hot ice. Cool that ice and it becomes liquid again. If you maintain constant temperature, that highly compressed ice changes crystalline structure from ortho-rhombic to hexagonal. [/QUOTE]
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