Page 61 - Super Earth Encyclopedia
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LETHAL




                                                                LANDSCAPE




                                                                 ATACAMA DESERT






                                                               Few places on Earth are as dry as the Atacama Desert
                                                               in Chile. Some parts of this barren, rocky land have not
                                                               seen rain for at least 50 years. This makes the desert
                                                               the most hostile environment for life outside central
                                                               Antarctica. The only living things in the driest parts are
                                                               dormant bacteria—the same type of organisms that may
                                                               exist on Mars. In fact, the desert resembles the Martian
                                                               surface so closely that it has been used to test rover
                                                               vehicles sent to explore the red planet.





                                                                   AT A GLANCE
                                                                •  LOCATION  Northern Chile

                                                                •  AREA  At least 41,000 sq miles
                                                                   (105,000 sq km)
                                                                •  DESERT TYPE  Rocky and salty

                                                                •  AVERAGE RAINFALL  Less than
                                                                   0.6 in (15 mm) per year









                                                                     600         STATS AND FACTS
                                                                     MILES
                                                                    (960 KM)     CLEAR SKIES           RAINFALL
                                                                   ALONG THE
                                                                    COAST OF              For more than         The desert has
                                                                     CHILE                300 days a year,      been without
                                                                                          the Atacama has       significant rainfall
                                                                    EXTENT                totally clear skies.  for at least
                                                                                                                3 million years.
                                                                The desert formed in
                                                                a region cut off from   TEMPERATURE  Daytime temperatures can
                                                                moist oceanic air                reach 104°F (40°C); at night           FORMIDABLE FORMATIONS
                                                                                                 they may fall to 41°F (5°C).
                                                                by mountains.
                                                                                          °C    10    20    30     40
                  DRIEST
                                                                  AVERAGE WIDTH           °F    50    68    86    104

                HOT DESERT
                                                                   LESS THAN
                                                                     100
                                                                     MILES
                                                                     (160 KM)
                                                                                                                                     59







   US_058_059-Atacama_Desert.indd   59                                                                                              01/03/17   11:21 am
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