Библиография http://mars.jpl.nasa.gov/missions/ http://www.student.oulu.fi/~jkorteni/space/mars/surface/ http://nssdc.gsfc.nasa.gov/planetary/mars/ http://en.wikipedia.org/wiki/Mars http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=31029 http://www.astrolab.ru http://spaceguide.hit.bg http://skymap.com/files/data_tables/ http://www.nmm.ac.uk/server/show/nav.005005001005 http://www.flamsteed.info/ http://cmex.ihmc.us/CMEX/data/ http://roving-mouse.com/planetary/Mars/Atlas/features/by-type/ http://www.solarviews.com/cap/mars/marsatmo.htm http://www.exploremarsnow.org/ http://www.astronomia.start.bg http://www.seds.org/hst/