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Isaac Asimov: Nowadays, we have seen planets up close, all the way to distant Neptune. We have mapped Venus through its clouds. We have seen the rings around Neptune and the ice volcanoes on Triton, one of Neptune’s moons. We have detected strange objects no one knew anything about until recently: quasars, pulsars, black holes. We have learned amazing facts about how the Universe was bom and have some ideas about how it may die. Nothing can be more astonishing and more interesting. We have actually explored our Solar system, especially the part very close to Earth. We have sent many, many rockets into space, most of which continue to orbit Earth even after they stop working. The result is that nearby space is filled with space debris – or “space garbage”, as some people call it. ‘In this book we will take a look at space garbage and consider why it is important …
Гроза, 9. Students book. Unit 2. Lesson 6. Exercise 1
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