Ronn Blankenship wrote: > >> Ok, the _technical_ names of the stars that make up the Alpha Centauri >> system are Alpha Centauri A [the Sun-like star], Alpha Centauri B >> [almost Sun-like, but smaller; it's still in the spectral class that >> usually is considered fit to have Earth-like planets] and Alpha Centauri >> C aka Proxima Centauri [a red dwarf, so far away from A and B that we >> don't know if it's gravitationally bound to them or not. I would guess >> that it's _not_ bound to them] > > It does share the proper motion of the AB pair. > But this is not enough to prove that it is bound to the AB pair. Do you know if it's bound with _only_ the pertubation of the Galaxy as a whole? [of course, any close encounter with a major star would rip C off that system :-)]
Alberto Monteiro _______________________________________________ http://www.mccmedia.com/mailman/listinfo/brin-l
