So gays hoe are you!!To him kahan the !!Haa think hai,  We ware talking  about  b lack holes, that, they would not been  graviting ,suppose if, ,they  were not massive. .I mean  to say that ,if some obj act look us in  sky a non massive,then we can  predict about it ,that may be its non graviting  too.I mean  .to .say ,object  should have massive ,if it has to be .graviting.Two exa.ples we looking  usually, one  is Pluto and second  ismoon.Both  these planets are  non massive  and  both they are lower  graviting  too.Any  way,We ware talking  about black holes, that how