宇宙太空 第9期
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Exploration 探索太空
A little over 50 years after the first aeroplane flew, Yuri Gagarin became the first human in space. The “space race” of the 1960s and 1970s saw huge advances in technology that enabled people to go to space for the first time and then land on the moon. No one has been back to the moon since 1972. However, America has announced （宣告，公诸于众） plans to return, as well as a manned mission to Mars. The European Space Agency is heavily involved in the building and maintaining of the new International Space Station, due for completion in 2010. Could you imagine where we’ll be in another 50 years?
第一架飞机升空50多年后，尤里·加加林成为进入太空第一人。20世纪60、70年代的美苏“太空竞赛”见证了科技的巨大进步：人类首次步入太空，随后登陆月球。但1972年之后，再无人登上月球。不过美国已经公布了重返月球乃至登陆火星的计划。欧洲太空署正在殚精竭虑建造和维护将于2010年完工的国际太空站。你能想象再过50年，人类将会到达哪里？
Stars 群星璀璨
Earth orbits （尤指地球围绕太阳或月亮、宇宙飞船围绕地球运行的轨道） around the sun, just one star out of the many billions that exist in our galaxy（星系）, the Milky Way. There could be between 100 and 400 billion stars in the Milky Way and the universe could contain as many as 140 billion galaxies. It is not too difficult to imagine that on some other stars than our planet there live high-intellectual（智力超群的） beings like mankind. They could be even wiser than us and have visited our planet by some unidentified flying objects (UFO). What would you do if you’d encounter an E.T.?
围绕太阳运行的地球不过是我们这个星系——银河系里数以百万计的星星中的一颗。银河系有1000亿到4000亿颗星星，而整个宇宙可以容下多达1400亿个星系。不难想象，除地球以外在其它的星球上也有像人类一样的高智商生物存在。他们甚至可能比人类更聪明，并且曾经乘坐某种不明飞行物（UFO）造访过地球。万一你遇到了外星人，你会怎么办？
Our Planet 我们的星球
Earth’s position in space affects many things from the length of our day to seasonal changes. Our relationship with the sun is very important, especially as most organisms（生物，有机体） on Earth require light and warmth to exist. As the Earth orbits the sun, it sits tilted（倾斜） on its axis（轴线）, so for half the year the northern hemisphere（半球） is closer to the sun and we experience summer. During this time the southern hemisphere is tilted away from the sun and experiences winter. We have two high tides every day because the gravitational pull of the moon is different at the Earth’s centre than on its surface. If we were positioned anywhere else in space Earth would be a very different place!
地球在太空的位置影响到我们生活的许多方面——包括每天的长短和季节的变换。地球与太阳的关系尤为重要，因为地球上许多生物都需要光和热才能生存。地球在环绕太阳运行的轨道上自身是倾斜的，因此有半年时间北半球距太阳较近，会经历炎夏；此时南半球远离太阳，会经历严冬。地球上每天有两次涨潮，这是因为月球对地心和地表的引力不同所致。如果地球处于宇宙空间的其他位置，情况就会大不一样。
Science Fiction 科幻小说
Science fiction began with books like Frankenstein by Mary Shelley and War of the Worlds by H. G. Wells. They took current scientific ideas and asked ”what if?“ Jules Verne is notable （值得注意的） for writing in the 19th century on subjects like air and underwater travel before planes or submarines （潜水艇） were even invented! A lot of modern science fiction is based on digital information, space travel and artificial intelligence （人工智能）. With the creation of film and television the science fiction genre （类型） has produced some of the biggest successes; classical examples include Star Wars, The Matrix, and The X Files. Have you ever seen these films/TV programs? Or some other classic Sci-Fis? What do you think about them?
玛丽·雪莱的《弗兰肯斯坦》和H. G. 威尔斯的《世界大战》这些书开了科幻小说的先河。他们把握住当时的一些科幻主张并且想象“要是……那将怎样？”值得一提的是，朱尔斯·韦恩在十九世纪飞机和潜水艇尚未发明之前就想到了在空中和水下航行。如今很多科幻小说则建立在对数码信息、太空旅行和人工智能的想象之上。随着电影和电视的发明出现了许多大获成功的科幻作品，堪称经典的包括《星球大战》、《骇客帝国》和《X档案》等。你看过这些电视电影作品吗？看过其它经典的科幻作品吗？感觉怎么样？