The geological survey was done over 100 years ago shows. World craters about 120 wells, which is less compared to the moon. Mercury or Mars This is because the water And atmospheric phenomena, earthquakes that could drown out signs of craters that date, the survey has shown that. Canada is a country that has the most impact craters like holes in Sudbury, Ontario, with hole 145 kilometers wide and up to 1,800 million last year, the normal time a meteorite crashed into the earth. The heat generated by friction with the atmosphere to burn some of the meteorite until the meat is lost , then the rest will fall into Earth. Total weight of the meteorite is the largest. Hoba West meteorite that crashed in Namibia, which measures 2.75x2.75x1 meters and weigh up to 60 tons.
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