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At age 11, on entering secondary education, all pupils study a broad base of subjects which include geography, English, mathematics, science, physical education, music and modern languages.Pioneer 11 (also known as Pioneer G) is a 259kilogram (571 lb) robotic space probe launched by NASA on April 6, 1973 to study the asteroid belt, the environment around Jupiter and Saturn, solar wind and cosmic rays. It was the first probe to encounter Saturn and the second to fly through the asteroid belt and by Jupiter.Thereafter, Pioneer 11 became the second of five artificial objects to ...
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Thursday, December 31, 2020