Polar - ring S0 galaxies may be found around 0.5 % of all nearby lenticular galaxies .
It is possible that 5 % of lenticular galaxies may have had polar rings at some point during S0 galaxies ' lifetimes .
Polar - ring S0 galaxies may be found around 0.5 % of all nearby lenticular galaxies , and it is possible that 5 % of lenticular galaxies may have had polar rings at some point during their lifetimes .