1、Unit 4 Astronomy: the science of the stars Assignment check 1. Zuo Yeben The Solar System consists of the Sun and those celestial objects (天体）天体） bound to it by gravity （被（被 其引力约束的）其引力约束的） Mercury 水星水星 Jupiter 木星木星 Mars 火星火星 Neptune 海王星海王星 Venus 金星金星 Earth 地球地球 Saturn 土星土星 Uranus 天王星天王星 Comets 彗星彗星
2、Pluto 冥王星冥王星 asteroid planet 行星行星 meteor meteoroid 流星流星 Milky Way Galaxy 银河系银河系 2. English Weekly astronaut space junk accidently accidentally accidental adj. 1.When you get into space, you become shorter. 2. The winds on one distant planet are very fast. How do you feel after reading this? 3. Readi
3、ng （Page 32) 1.puton a collision course 2. Buy $50 million worth of new telescopes 3. push asteroids off course 4. Is it worth it? 5. Sounds pretty rare 6. If we dont take care of these big asteroids, theyll take care of us. Ex 3: optimistic乐观的乐观的, pessimistic悲观的悲观的 critical（criticize), objective(客观
4、的）客观的） subjective主观的主观的, arbitrary（武断的、专断（武断的、专断 的）的）, tone语气、语调语气、语调 What is astronomy? Each religion and culture has its own ideas How did the universe begin? Pangu separated the sky from the earth: Chinese legend 1: the story of Pangu The Goddess Nuwa mended the heaven and created human beings: C
5、hinese legend 2: the story of Nuwa In western culture: God created the world in seven days: Day 1: God spoke and separated light from darkness, creating Day and Night. Day 2: God spoke and separated the water, creating sky and ocean. Day 3: God spoke and created dry land. Day 4: God spoke and create
6、d the sun, moon and stars. Day 5: God spoke and created living in the air and sea. Day 6: God spoke and created the land animals and man. Day 7: God rested and blessed this day calling it Holy. Scientific idea 1: the Big Bang Theory 1. The universe began from the Big Bang. 2. Life first began in the
7、 sea on the earth. 3. Life was brought to the earth by ET from outer space. 4. Life came from a comet(彗星彗星) which hit the earth. religion theory atom billion globe carbon n. 宗教；宗教信仰宗教；宗教信仰 n. 学说；理论学说；理论 n. 原子原子 n. （英（英)万亿；万亿；(美）十亿美）十亿 n. 球体；地球仪；地球球体；地球仪；地球 n. 碳碳 Words preview atmosphere unlike funda
8、mental acid chain multiply n. 大气层；气氛大气层；气氛 prep. 不同；不像不同；不像 adj. 基本的；基础的基本的；基础的 adj. 酸酸 n. 链子；连锁；锁链链子；连锁；锁链 vi.&vt. 乘；繁殖乘；繁殖 Words preview oxygen exist thus dioxide carbon dioxide puzzle n. 氧氧 vi. 存在；生存存在；生存 adv. 因此；于是因此；于是 n. 二氧化物二氧化物 二氧化碳二氧化碳 n. 谜；难题谜；难题 vi.&vt. （使）迷惑或（使）迷惑或 为难为难 Words preview bio
9、logy biologist gravity satellite gentle physicist climate crash n. 生物学生物学 n. 生物学家生物学家 n. 万有引力；重力万有引力；重力 n. 卫星；人造卫星卫星；人造卫星 adj. 温和的；文雅的温和的；文雅的 n. 物理学家物理学家 n. 气候气候 vi.&vt. 碰撞；坠落碰撞；坠落 Words preview Which theories interest you or do you believe in? Do some research if you can Assignments 1. Read and underline what you dont understand. 2. 作业本
