http://www.nams.is/lisalib/getfile.aspx?itemid=d2412a57-5bcb-47fd-941c-afcbcb6bc8b7&proc=bookcover
http://i.dailymail.co.uk/i/pix/2012/02/23/article-2105388-0824E6EC000005DC-994_468x430.jpg
https://www.google.is/search?hl=is&site=imghp&tbm=isch&source=hp&biw=1280&bih=879&q=earth&oq=earth&gs_l=img.3..0l4j0i30l6.2732.3592.0.4118.5.4.0.1.1.0.94.328.4.4.0.msedr...0...1ac.1.64.img..0.5.328.DOMDue5RAdQ#hl=is&tbm=isch&q=earth+and+moon&imgrc=RgYI7ON5M9ifSM%253A%3BARK_qQioo_YU5M%3Bhttp%253A%252F%252Fevansheline.com%252Fwp-content%252Fuploads%252F2013%252F03%252Fearth-and-moon-in-orbit-700x393.png%3Bhttp%253A%252F%252Fevansheline.com%252F2013%252F03%252Fearth-and-moon%252F%3B700%3B393
http://www.nams.is/lisalib/getfile.aspx?itemid=d2412a57-5bcb-47fd-941c-afcbcb6bc8b7&proc=bookcover
https://www.google.is/search?hl=is&site=imghp&tbm=isch&source=hp&biw=1280&bih=879&q=earth&oq=earth&gs_l=img.3..0l4j0i30l6.2732.3592.0.4118.5.4.0.1.1.0.94.328.4.4.0.msedr...0...1ac.1.64.img..0.5.328.DOMDue5RAdQ#hl=is&tbm=isch&q=moon&imgrc=P9YPQheanwu5BM%253A%3B606n9zwYfbMMEM%3Bhttp%253A%252F%252Fpixabay.com%252Fstatic%252Fuploads%252Fphoto%252F2014%252F02%252F09%252F19%252F02%252Fmoon-263015_640.jpg%3Bhttp%253A%252F%252Fpixabay.com%252Fen%252Fmoon-sky-night-sky-263015%252F%3B640%3B324
http://nemendur.laugalaekjarskoli.is/verkefni03/myndir/ban_heimildir.jpg
https://www.youtube.com/watch?v=Jf628Bugy_I
https://youtu.be/H5yrwuDDgYE
Dean Hurt o.fl (2002).Sól,Tungl og Stjörnur. Námsgagnastofnun.Reykjavík
http://i.dailymail.co.uk/i/pix/2012/02/23/article-2105388-0824E6EC000005DC-994_468x430.jpg
https://www.google.is/search?hl=is&site=imghp&tbm=isch&source=hp&biw=1280&bih=879&q=earth&oq=earth&gs_l=img.3..0l4j0i30l6.2732.3592.0.4118.5.4.0.1.1.0.94.328.4.4.0.msedr...0...1ac.1.64.img..0.5.328.DOMDue5RAdQ#hl=is&tbm=isch&q=earth+and+moon&imgrc=RgYI7ON5M9ifSM%253A%3BARK_qQioo_YU5M%3Bhttp%253A%252F%252Fevansheline.com%252Fwp-content%252Fuploads%252F2013%252F03%252Fearth-and-moon-in-orbit-700x393.png%3Bhttp%253A%252F%252Fevansheline.com%252F2013%252F03%252Fearth-and-moon%252F%3B700%3B393
http://www.nams.is/lisalib/getfile.aspx?itemid=d2412a57-5bcb-47fd-941c-afcbcb6bc8b7&proc=bookcover
https://www.google.is/search?hl=is&site=imghp&tbm=isch&source=hp&biw=1280&bih=879&q=earth&oq=earth&gs_l=img.3..0l4j0i30l6.2732.3592.0.4118.5.4.0.1.1.0.94.328.4.4.0.msedr...0...1ac.1.64.img..0.5.328.DOMDue5RAdQ#hl=is&tbm=isch&q=moon&imgrc=P9YPQheanwu5BM%253A%3B606n9zwYfbMMEM%3Bhttp%253A%252F%252Fpixabay.com%252Fstatic%252Fuploads%252Fphoto%252F2014%252F02%252F09%252F19%252F02%252Fmoon-263015_640.jpg%3Bhttp%253A%252F%252Fpixabay.com%252Fen%252Fmoon-sky-night-sky-263015%252F%3B640%3B324
http://nemendur.laugalaekjarskoli.is/verkefni03/myndir/ban_heimildir.jpg
https://www.youtube.com/watch?v=Jf628Bugy_I
https://youtu.be/H5yrwuDDgYE
Dean Hurt o.fl (2002).Sól,Tungl og Stjörnur. Námsgagnastofnun.Reykjavík