Ani: I want to be honest with readers. Normally i'm talking to people wh even not read a book. Here's the deal, sometimes p people p in the middleof the night, and it's ok. And ason, you have the fabric of the universe underneath. The point is, if you take that rubber sheet and draw galaxies on it, and they'l just take it and stretch it, then all the galaxies araror moving away from one another. This stretching rubber sheet with these dimples in it is happening in three dimensions. So basically everywhere is the beginning of the universe, 14 billion years ago.
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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