对宇宙的探索英语.ppt

Universe is a unity that formed by space ,time, material and energy. It is a space-time continuum system . The origin of the universe There is many theory about the origin of the universe. The big bang theory is one of the most influential theory The shape of the universe remains unknown ,but humans have all kinds of imagination . A small cell A program The age of universe The universe is about 13.7 billion years olds. The Milky Way The Milky Way Formed by one hundred and twenty billion stars and a large number of clusters, nebula, and various types of interstellar gas and interstellar dust. The scope of the Milky Way galaxy is about 1.0×105l.y.(光年) Look from the flank of the Milky Way, it is like a flat plate . The Black Hole Black hole is a strong gravitational pull object in which even light cannot escape from it. How a star become a black hole? A black hole capture the stars. Wormhole Wormhole is the narrow tunnel that connect the two different time and space. It is put forward by Einstein and Nathan Rosen . It can help you return to former or go to future. Series of strange objects Black widow nebula Sauron magical eye Hell planet Zombie(僵尸) stars Orions bat Small ghost nebula