ocr: / à 9 917 / MARS: GENERAL INFORMATION MARS: GENERAL INFORMATION Composition of the Martian atmospnere: MAMSS SATELLITES Carbon dioxide (CO2): over 94% The martran Nitrogen (N2): 3.3% subsoil Argon (Ar): 1.7% Carbon monoxide (CO): 0.13% Oxygen (O2): 0.09% Water (H20): 0.025% Ozone (O3): 0.000003% Atmosp heric Traces of krypton and xenon pressure. readings Temperature: The temperature can vary between -100°and 70C. Viking I recorded a maximum daytime temperature of -24°Cati the Chryse Planitia site. The average low was Close-ups -85° C. (During the: summer of 1976, Mars was almost at ofthe plane ...
