木星 Saturn 土星 Uranus 天王星 Neptune 海王星 Pluto 冥王星 Nine s In the Solar System: 4 Mnemonics ( 记忆术) Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto My Very Easy Method: Just Set Up Nine s. Can you use a good method to memorize them ? 5 Zhang Heng Do you know any famous person in the field of space and universe? 6 Stephen Hawking 7 Copernicus Galileo 8 Copernicus 9 We know the first scientist is Copernicus. He was one of the first scientists to use mathematical observations to collect information. He believed _______ is the center of the universe and the earth and other s_____________ . The chart on P.7 shows his theory. Pre-reading Do you know something about Copernicus? the sun went around it 10
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