Cosmología

• Geologic Map of Cydonia Mensae-Southern Acidalia Planitia, Mars: Quadrangles MTM 40007, 40012, 40017, 45007, 45012, and 45017. (LINK)
• Geologic Map of Mars. (LINK)
• Google Mars. (LINK)
• Impact Earth! (LINK)
• International Space Exploration Coordination Group (ISECG). The global exploration roadmap. September 2011. NASA Headquarters, 22 Septiembre 2011. Web International Space Exploration Coordination Group, 31 enero 2012.
• Mars 24 Sunclock. Time on Mars. (LINK)
• Mars Climate Diagram Database. (LINK)
• Mars Fact Sheet . (LINK)
• McKIM, Richard. “The opposition of Mars, 1999”. The Journal of the British Astronomical Association, vol. 117, nº 6, 2007, p. 314-330. Web British Astronomical Association.
• Solar System Collisions. (LINK)
• VILENKIN, Alex. Muchos mundos en uno. La búsqueda de otros universos. Alba Editorial, Barcelona, 2009.