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Industrial Training
(Saturday, Dec 16. 2017 06:19 AM)
I admire what you have done here. I like the part where you say you are doing this to give back but I would assume by all the comments that this is working for you as well.

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The Cosmic Apocalypse

Before observations of dark energy, cosmologists considered two scenarios for the future of the Universe. If the mass density of the Universe were greater than the critical density, then the Universe would reach a maximum size and then begin to collapse. It would become denser and hotter again, ending with a state that was similar to that in which it started — a Big Crunch.

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