Neptune's moon Triton is the coldest place in the solar system.
 
 

                                   Back to EARTH
                                                  
                                       This is the size
                                      of the Earth when compared
                                                            to Neptune which is about
                                                            6 and a half times larger
                                                            in diameter than the Earth
 

Neptune can sometimes be the farthest planet from the Sun because Pluto's orbit sometimes takes it closer to the Sun than Neptune.
 

                                       Back to MARS