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Stars and Black Holes

3 sessions, in order

A shorter path through the same ending as the full relativity chain: how a star dies, what's left behind when it collapses completely, and the strange modern idea that everything inside a black hole might really be information written on its surface. Three sessions if you want the payoff without the full runup.

1.P&A-41Biographers of the StarsPhysics & Astronomy~35 minWhat's the life story of a star, from birth to death? Nebula, fusion, collapse, and Einstein's E=mc².
2.P&A-27The Point of No ReturnPhysics & Astronomy~30 minWhat actually happens at the edge of a black hole? The event horizon, and why nothing, not even light, escapes it.
3.P&A-29Two Dimensions Hiding a ThirdPhysics & Astronomy~32 minCould our entire 3D universe actually be information stored on a 2D surface? The holographic principle.