26 Dec
2019
26 Dec
'19
7:57 a.m.
Exercise: explain why right-hand planet reverses at perihelion, rather than proceeding to terminal collision with the sun. WFL On 12/26/19, Bill Gosper <billgosper@gmail.com> wrote:
The orbital period of a planet depends only on its major axis. gosper.org/4planets.gif . Does anybody feel like proving that with this phasing, these planets are collinear only twice per period? —rwg _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun