Ask the Expert - Neil deGrasse Tyson

This guy is one of my heroes.
RadHazGsays...

The background music is very much in the PBS style, evoking that familiar feeling I had of learning about stuff as a kid. That + Neil = "comfort watching" I suppose one would say.

I could watch this guy anytime, he has for me, an near infinite watchability.

deathcowsays...

You cant see back to the beginning though. The universe was a opaque ball of primordial plasma until some point, you're not going to see in there. But you can see this opaque remainder though -- and its everywhere you look in space. It's called the cosmic microwave background, and is the "last scattering surface". This is the moment that space became transparent.

burdturglersays...

So, generally speaking, space itself is a product of the big bang. All of the the known material universe and the space and energy between it and throughout it, including the "last scattering background", all exploded out from its primordial origin, not into space ... but into ... what? Where was this opaque ball of plasma? What was outside of it? How did it get there? This is what makes me crazy. That and wondering what exactly is "space". When you remove everything from it, what is it? And how did it get there?

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