Die Aarde en die son

Landing page from both Die Aarde and Die Son.

                                               Aarde se bewegings om die son 

link na wentelbane en rotasie

                                               Seisoene ARTIKEL

                                               Hoe seisoene ontstaan

                                                               Link na wentel en rotasie

                                               Verspreiding van sonenergie oor Aarde

                                                               Trope en pole: Link na habitatte en klimaatstreke LATER

                                                                               Antarktika ARTIKEL

                                                                                              Pikkewyne link na later ARTIKEL

                                                                               Noordpool: Ysbeer link na later Artikel

                                                                              Trope: reënwoude  link na later

Hoe dae/maande/jare werk link na ontstaan van die kalender