Here's the paper about the blowup for the gravitating bodies: https://www.jstor.org/stable/2946572?origin=crossref https://www.jstor.org/stable/2946572?origin=c

Here's the paper about the blowup for the gravitating bodies: https://www.jstor.org/stable/2946572?origin=crossref https://www.jstor.org/stable/2946572?origin=crossref There's a Wiki article about it: https://en.wikipedia.org/wiki/Painlev%C3%A9_conjecture https://en.wikipedia.org/wiki/Painlev%C3%A9_conjecture