In message ,
Relativity Man writes
Where Schwarzschild equation is a generalization of Pythagorus's
equation in rt. triangle and yet still forms the basis for black holes
mathematics and physics.

Go to:

https://www.relativitycalculator.com...al_offers.html

But in particular, go to:

https://www.relativitycalculator.com...child-black-ho
les.html?category_id=221

Check it out. Wont hurt you.

Relativity Physics and Science Calculator

Https://xkcd.com/2088/

Brian

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Brian Howie