Les comètes

http://www.universalis.fr/encyclopedie/cometes/#utm_source=newsletter&utm_medium=email&utm_campaign=NL_20140516

http://solarsystem.nasa.gov/planets/profile.cfm?Object=Comets

Comets: Gallery

http://solarsystem.nasa.gov/planets/profile.cfm?Object=Comets&Display=Gallery

http://www.astrostudio.at/2_Bright%20Comets.php

http://www.astronoo.com/fr/cometes.html

http://www.colidre-ft.asso.fr/html/crconfortiz260906.htm

http://www.astrosurf.com/luxorion/menu-comete.htm

http://www.astrosurf.com/luxorion/sysol-cometes-nature.htm

Photos de la comète Hartley 2

http://www.planete-astronomie.com/photos-de-la-comete-hartley-2.html

http://www.nasa.gov/mission_pages/epoxi/images/version1/index.html

http://www.nasa.gov/mission_pages/epoxi/epoxi20101104b.html