SolarSystemFactory is weird
SolarSystemFactory is weird

eggrobin/Principia,mockingbirdnest/Principia,mockingbirdnest/Principia,eggrobin/Principia,mockingbirdnest/Principia,mockingbirdnest/Principia,pleroy/Principia,pleroy/Principia,pleroy/Principia,eggrobin/Principia,pleroy/Principia