Hello all,
I have just watched online this excellent lecture, If you get chance (
if the RAS put it on UTUBE) then try and watch it.
Royal Astronomical Society's Inaugural John Brown Memorial Lecture
Prof. Randall Stevenson will be giving the Royal Astronomical Society's
Inaugural John Brown Memorial Lecture.
Celestial Visitants – Comets and Culture in the Nineteenth Century and
Beyond

Denis Bczynski