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صفحة: 38
cause It ' s There . .. ** In this module you have found out how people from ancient times to the present have explained the mysterious skies . Today mankind is reaching farther and farther out to explore our universe . 1 Why do people explore space today ? Match the reason for exploring space with its explanation . Answer on JP 55 . ^ Reason To know more about what is in our universe To deal with overpopulation on Earth To know if life exists or has existed in the universe To improve life on Earth For the personal challenge and adventure For natural resources Explanation Human beings want to know if they are the only living beings in the universe . The Moon and planets may have materials or minerals that Earth does not have , or does not have enough of . Many technologies and products have developed from space research . Astronauts must go through a very difficult training program . It takes a very special person to become an astronaut . Research about the Sun , Moon , stars and planets will help us to better understand the universe we live in . By the year 2020 , there will be more than 7 . 5 billion people on Earth . People will need another place to live . 2 Why is exploring space important to you ? Rank the above reasons from the most important ( 1 ) to the least important ( 6 ) . Then compare with a partner . 3 Read the following quotes . In what ways do they reflect the above reasons for exploring space ? Discuss with a partner . "To confine our attention to terrestrial * matters would be to limit the human spirit . " Stephen Hawking , cosmologist and astrophysicist "The Earth is the cradle * of humanity , but mankind cannot stay in the cradle forever . " Konstantin E . Tsiolkovsky , father ofRussian astronautics , 1896 * terrestrial — existing or happening on Earth . * cradle —a place where something began .
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