Fernando asked if dark energy phenomenon, a phenomenon space time expansion, to be an emergent property of matter itself. Emergence is a relatively recent exploration going on in the field of biology. George: I think we've always known about it, but we haven't really thought as deeply about it as we have in recent decades.
What is string theory? On this episode, Neil deGrasse Tyson and comic co-host Jordan Klepper answer fan questions about solar system formation, dark matter, and the expansion of spacetime. What would travelling at the speed of light look like?
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Photo Credit: ESO/IDA/Danish 1.5 m/R.Gendler, J-E. Ovaldsen, C. Thöne, and C. Feron., CC BY 4.0 , via Wikimedia Commons
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