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South Polar Cap from Mariner 9 and 7
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Caption NASA originale:"This mosaic of Mariner 9 frames (top), taken during the first orbit, shows the remnants of the South Polar Cap of Mars dimly through the great dust storm. Mariner 7 photographed the same area in August, 1969 (bottom) at which time the entire region was covered with dry ice. The strange quasilinear features of 1969 have been replaced by a number of bright curved appendages never before seen on Mars and, at this time, unexplained. Mariner 9 was the 1st spacecraft to orbit another planet. The spacecraft was designed to continue the atmospheric studies - begun by Mariners 6 and 7 - and to map over 70% of the Martian surface from the lowest altitude (1500 Km [approx. 900 miles]) and at the highest resolutions (1 Km per pixel to 100 meters per pixel) of any previous Mars mission".
Eccezionale, semplicemente: Mariner 9 venne lanciato il 30 Maggio 1971 ed arrivò a destinazione il 14 Novembre dello stesso anno.
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![South Polar Cap from Mariner 9 and 7
Caption NASA originale:"This mosaic of Mariner 9 frames (top), taken during the first orbit, shows the remnants of the South Polar Cap of Mars dimly through the great dust storm. Mariner 7 photographed the same area in August, 1969 (bottom) at which time the entire region was covered with dry ice. The strange quasilinear features of 1969 have been replaced by a number of bright curved appendages never before seen on Mars and, at this time, unexplained. Mariner 9 was the 1st spacecraft to orbit another planet. The spacecraft was designed to continue the atmospheric studies - begun by Mariners 6 and 7 - and to map over 70% of the Martian surface from the lowest altitude (1500 Km [approx. 900 miles]) and at the highest resolutions (1 Km per pixel to 100 meters per pixel) of any previous Mars mission".
Eccezionale, semplicemente: Mariner 9 venne lanciato il 30 Maggio 1971 ed arrivò a destinazione il 14 Novembre dello stesso anno.
Parole chiave: Mars South Polar Cap](albums/userpics/10008/normal_O-Mariner9-71-PIA02989_modest.jpg "Clicca per vedere l'immagine alla massima grandezza
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South Polar Cap from Mariner 9 and 7
Caption NASA originale:\"This mosaic of Mariner 9 frames (top), taken during the first orbit, shows the remnants of the South Polar Cap of Mars dimly through the great dust storm. Mariner 7 photographed the same area in August, 1969 (bottom) at which time the entire region was covered with dry ice. The strange quasilinear features of 1969 have been replaced by a number of bright curved appendages never before seen on Mars and, at this time, unexplained. Mariner 9 was the 1st spacecraft to orbit another planet. The spacecraft was designed to continue the atmospheric studies - begun by Mariners 6 and 7 - and to map over 70% of the Martian surface from the lowest altitude (1500 Km [approx. 900 miles]) and at the highest resolutions (1 Km per pixel to 100 meters per pixel) of any previous Mars mission\".
Eccezionale, semplicemente: Mariner 9 venne lanciato il 30 Maggio 1971 ed arrivò a destinazione il 14 Novembre dello stesso anno.
Parole chiave: Mars South Polar Cap")
