Diameters van de planeten op schaal.
Mercurius – 1 cm – grijs karton                                                                                                            Venus – 3 cm – blauw karton                                                                                                                    Aarde – 3 cm – lichtblauw karton                                                                                                              Mars – 2 cm – rood karton                                                                                                                  Jupiter – 36 cm – geel karton
Saturnus – 29 cm – donkerrood karton                                                                                            Uranus – 15 cm – donkerblauw karton                                                                                              Neptunus – 15 cm – groen karton                                                                                                        Pluto – 1 cm – grijs karton. (een dwergplaneet)