1.34 Describe how the orbit of a comet differs from that of a planet

                                Three differences between planets and comets are:

1. Comets are usually made from _________
2. Comets have highly elliptical _______  compared to planets
3. Comets usually travel _________ than ________
4. Comets usually have long _______ , made when the heat from the Sun vaporises the comet

-> Source of image: http://www.google.co.uk/imgres?imgurl=http://www.thunderbolts.info/tpod/2006/image06/060227comet.jpg&imgrefurl=http://www.thunderbolts.info/tpod/2006/arch06/060227comet.htm&usg=__nMShE-4zIAVG8xK5dtjnWm-AkE8=&h=519&w=648&sz=108&hl=en&start=0&zoom=1&tbnid=kYq5NmgoZcokXM:&tbnh=158&tbnw=201&ei=3UeZTdLVEpHWvQPk18j-Cw&prev=/images%3Fq%3DComet%26hl%3Den%26biw%3D1366%26bih%3D643%26gbv%3D2%26tbs%3Disch:1&itbs=1&iact=hc&vpx=261&vpy=123&dur=617&hovh=201&hovw=251&tx=126&ty=146&oei=3UeZTdLVEpHWvQPk18j-Cw&page=1&ndsp=18&ved=1t:429,r:1,s:0