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Perhaps the most alarming factor is, even if we stop launching anything in to orbit from now on we would still see collisions occurring between satellites currently up there.But we recognise that if we want to actively manage this problem we have to do something now.It’s like global warming – we’re not 100 % certain that a certain scenario will occur but we have a pretty good idea of what’s dominating and what’s influencing the evolution.
也许最令人震惊的消息是，即使从现在起我们不向太空发射任何物体，但尚已存在的卫星还是可能发生碰撞。我们意识到，要想积极处理此问题，必须采取某些措施。太空垃圾就像全球变暖，虽然不确定会发生什么，但我们很清楚什么在起控制作用，什么在影响进程。
Professor Crowther mentioned an alarming factor, so a very worrying piece of information, that even if we didn’t put any more objects in to space there is a lready a risk of the current satellites hitting each other.These satellites are the ones that we depend on for communications, watching TV, weather forecasting and for using satellite navigation-satnavs.
Crowther教授提到了一件令人震惊的事情，也是非常令人担忧的消息。那就是即使我们不向太空发射物体，也仍存在现有卫星互撞的风险。它们是人类用来通信、看电视、播报气象预报、使用卫星导航的卫星。
Well, that’s why he says we have to do something now. He predicts catastrophic – or very bad - collisions could occur every five to nine years unless something is done.He compares the problem with global warming. It’s serious . We’re not sure what might happen in the future but we do need to protect against it.
所以Crowther说我们必须得做点什么。他预测倘若不采取措施，那么每5-9年便会有卫星相撞，造成灾难性后果。他把这一问题同全球变暖做了比较。问题很严重。虽然不确定将来会发生什么事情，但我们现在必须避免它。
Maybe they need a huge vacuum cleaner, or what about a giant magnet to gather up all that metal clutter ?
也许巨大真空吸尘器或巨大磁铁可以把所有金属杂物吸走？
Hmm, I think you’re talking rubbish – or saying things that will never happen. But there are some more realistic ideas being developed such as using nets, lasers to destroy the pieces of junk and a harpoon to catch them.
呃，你在讲废话吧，净说不会发生的事情。不过话说回来，的确可以采取某些更现实的措施，如用激光器摧毁碎片，或用鱼叉捕获垃圾。
It sounds like science - fiction – something you just read about in stories. But are these ideas really being developed?
哇，听上去有点像科幻小说（即仅能在书里看到的故事）。但这些想法真的可以实施吗？
Yes, although research is in its very early stages. A harpoon could be fired at a redundant - or no longer working - satellite and then it would be pulled downwards to burn up in the atmosphere.
是的，但研究还处在早期阶段。鱼叉可叉中废余（不再工作的）卫星，然后把卫星向下拖并使其在大气中燃烧。
But, surely up in space, lasers and harpoons might be thought of as weapons which could be used in a space war?
但激光器和鱼叉不会被看作可用于太空战争的武器吗？
Well, according to Professor Richard Crowther, it is something that will need managing. What does he suggest?
在Richard Crowther教授看来，这些东西是需要管理的。一起来看看他的建议吧。

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