http://www.jplnet.com/bigcomet/pastcomet/comet%20west2.jpg

http://www.physics.usyd.edu.au/images/content/about/news_items/image_comet.jpg

http://www.drennon.org/bill/comet2b.jpg

http://www.take27.co.uk/julianbaum/1000_Years/Comet_lge.jpg

http://www.pinktentacle.com/images/comet_1.jpg

http://static.howstuffworks.com/gif/comet-kohoutek.jpg