Myndaheimildir
https://www.google.is/search?q=fl%C3%B3%C3%B0+og+fjara&espv=2&biw=1024&bih=623&source=lnms&tbm=isch&sa=X&ei=q7QnVZeYHsLVapGzgIgM&ved=0CAYQ_AUoAQ#tbm=isch&q=fjara&imgrc=10VnRYwgFhArMM%253A%3BFAM9ZoLo57hNNM%3Bhttp%253A%252F%252Fcs-001.123.is%252FDeliverFile.aspx%253Fid%253Ddd6dc551-7119-495c-bf29-7bf324ebad30%3Bhttp%253A%252F%252Frikkir.123.is%252Fblog%252Fyearmonth%252F2012%252F12%252F%3B600%3B400
https://www.google.is/search?q=earth&espv=2&biw=1024&bih=667&source=lnms&tbm=isch&sa=X&ei=cbEnVfTjFMrUapWOgeAM&ved=0CAYQ_AUoAQ#imgrc=d3IOLB5ekNP20M%253A%3Bs9tkF4TOzXefdM%3Bhttp%253A%252F%252Fwww.wbdaily.com%252Fwp-content%252Fuploads%252F2014%252F12%252Fearth-with-shimmer.jpg%3Bhttp%253A%252F%252Fwww.wbdaily.com%252Ffiction%252Fchild-earth%252F%3B1920%3B1200
https://www.google.is/search?q=heimildir&espv=2&biw=1280&bih=879&source=lnms&tbm=isch&sa=X&ei=T7cnVcXCDdTtaMKhgbgD&ved=0CAYQ_AUoAQ#imgrc=TDX9b6pm1lzMYM%253A%3B8j5GLARh5Q1UfM%3Bhttps%253A%252F%252Fsjalfsmynd.files.wordpress.com%252F2013%252F05%252Flesa.jpg%3Bhttps%253A%252F%252Fsjalfsmynd.wordpress.com%252Ftag%252Fislenskar-rannsoknir%252F%3B225%3B225
https://www.google.is/search?q=earth&espv=2&biw=1024&bih=667&source=lnms&tbm=isch&sa=X&ei=cbEnVfTjFMrUapWOgeAM&ved=0CAYQ_AUoAQ#tbm=isch&q=j%C3%B6r%C3%B0in+og+tungli%C3%B0&imgrc=RC6ifv3kgjKYhM%253A%3B7xTRFvBuGOvXhM%3Bhttp%253A%252F%252Fdesidius.net%252Fimages%252Ffrettir%252FEarth_Moon.jpg%3Bhttp%253A%252F%252Fdesidius.net%252F%3B1920%3B1080
https://www.google.is/search?q=earth&espv=2&biw=1024&bih=667&source=lnms&tbm=isch&sa=X&ei=cbEnVfTjFMrUapWOgeAM&ved=0CAYQ_AUoAQ#tbm=isch&q=people+holding+hands+around+the+world&imgrc=2QgkoukwS7BeKM%253A%3Bx-zVyNZMc362FM%3Bhttp%253A%252F%252Fwww.clker.com%252Fcliparts%252Ft%252Fa%252FC%252Fn%252Fw%252Fj%252Fpeople-holding-hands-around-the-world-hi.png%3Bhttp%253A%252F%252Fwww.clker.com%252Fclipart-people-holding-hands-around-the-world.html%3B600%3B600
https://vimeo.com/47890087
Bókaheimild
Dean, Hurd og fleiri. (2001) Sól, tungl og stjörnur. Námsgagnastofnun, Reykjavík