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宇宙(niverse)

  where do we come from? how did the universe begin?why is the universe the way it is? how will it end?

  all my life, i have been fascinated by the big questions that face us, and have tried to find scientific answers to them.if, like me, you have looked at the stars, and tried to make sense of what you see, you too have started to wonder what makes the universe exist. the questions are clear, and deceptively simple. but the answers have always seemed well beyond our reach. until now.

  the ideas which had grown over two thousand years of observation have had to be radically re-

  vised. in less than a hundred years, we have found a new way to think of ourselves. from sitting at the center of the universe, we now find ourselves orbiting an average-sized sun, which is just one of millions of stars in our own milky way galaxy. and our galaxy itself is just one of billions of galaxies, in a universe that is infinite and expanding. but this is far from the end of a long history of inquiry.huge questions remain to be answered, before we can hope to have a complete picture of the universe we live in.

  i want you to share my excitement at the discoveries,past and present, which have revolutionized the way we think. from the big bang to black holes, from dark matter to a possible big crunch, our image of the universe today is full of strange sounding ideas, and remarkable truths. the story of how we arrived at this picture is the story of learning to understand what we see.

  • 宇宙(niverse) 相关内容:
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  • 能源(The source of Energy)
  • a summary of the physical and chemical nature of life must begin, not on the earth, but in the sun; in fact, at the sun's very center. it is here that is to be found the source of the energy that the sun constantly...

  • 得到冰山的淡水(Obtaining Fresh water from icebergs)
  • the concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life....

  • 民间文化(Folk Cultures)
  • a folk culture is a small isolated, cohesive, conservative, nearly self-sufficient group that is homogeneous in custom and race with a strong family or clan structure and highly developed rituals....

  • 今天,我开始新的生活(Today I begin a new life)
  • today i shed my old skin which hath, too long, suffered the bruises of failure and the wounds of mediority. today i am born anew and my birthplace is a vineyard where there is fruit for all....

  • 友谊(Friendship)
  • friendship is one of the greatest pleasure that people can enjoy. it implies(意味着) loyalty(忠诚), cordiality(热诚), sympathy(同情心), affection and readiness(愿意) to help....

  • 电力(Electricity)
  • the modern age is an age of electricity. people are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them....

  • 石油冶炼(Oil Refining)
  • an important new industry, oil refining, grew after the civil war. crude oil, or petroleum - a dark, thick ooze from the earth - had been known for hundreds of years, but little use had ever been made of it....

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