How close to the wall would the trebuchets have to be if they where to launch a 90 kg projectile ? <| sep |> A neutron star however is not a protostar . A neutron star is the hot , degenerate core of a massive star that went supernova . A protostar is a very young star that recently formed out of a nebula . It makes more sense that cosmoem would be a protostar since cosmog is the nebula hence Nebby from which it formed . Both protostars and neutron stars would be very heavy in fact . Source i ' m an astrophysics grad student . Edit minor text fix <| sep |> I can ' t hear the name Marie without thinking Jesus Marie , they ' re minerals ! <| sep |> well JJ said he collabed with the rock band , so I assumed he was singing and they were the background music , is that wrong ?