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Remember the Y2K scare? It came and went without much of a whimper because of adequate planning and analysis of the situation. Impressive movie special effects aside, Dec. 21, 2012, won't be the end of the world as we know. It will, however, be another winter solstice.
记住千年虫恐慌？它来了，并没有太多的呜咽，因为有足够的规划和对形势的分析了。令人印象深刻的电影特效之外，2012年12月21日，将是世界的末日，因为我们知道。然而，这是另一个冬至。

Much like Y2K, 2012 has been analyzed and the science of the end of the Earth thoroughly studied. Contrary to some of the common beliefs out there, the science behind the end of the world quickly unravels when pinned down to the 2012 timeline. Below, NASA Scientists answer several questions that we're frequently asked regarding 2012.
大部分像Y2K问题，2012年已分析和地球科学的深入研究。相反，有一些共同的信念，在年底的世界背后的科学，迅速揭开时，牵制到2012年的时间表。下面，美国宇航局的科学家们的回答，我们常见的关于2012的几个问题。


Question (Q): Are there any threats to the Earth in 2012? Many Internet websites say the world will end in December 2012.
Answer (A): Nothing bad will happen to the Earth in 2012. Our planet has been getting along just fine for more than 4 billion years, and credible scientists worldwide know of no threat associated with 2012.
问（Q）：是否有任何威胁到地球在2012年？许多互联网网站说，世界将在2012年12月结束。
回答（A）没有什么不好，会发生在2012年到地球。我们的星球已经相处得很好，超过4亿多年，可信的世界各地的科学家与2012相关的任何威胁都知道。

Q: What is the origin of the prediction that the world will end in 2012?
A: The story started with claims that Nibiru, a supposed planet discovered by the Sumerians, is headed toward Earth. This catastrophe was initially predicted for May 2003, but when nothing happened the doomsday date was moved forward to December 2012. Then these two fables were linked to the end of one of the cycles in the ancient Mayan calendar at the winter solstice in 2012 -- hence the predicted doomsday date of December 21, 2012.
问：什么是预测，世界将在2012年结束的起源？
答：这个故事开始，Nibiru的，苏美尔人发现的一个假想的行星，对地球为首的索赔。这场灾难最初预测2003年5月，但没有发生世界末日的日期提前到2012年12月。然后这两个寓言 - 因此预测世界末日的日期2012年12月21日，冬至在古代玛雅历法的周期在2012年年底。

Q: Does the Mayan calendar end in December 2012?
A: Just as the calendar you have on your kitchen wall does not cease to exist after December 31, the Mayan calendar does not cease to exist on December 21, 2012. This date is the end of the Mayan long-count period but then -- just as your calendar begins again on January 1 -- another long-count period begins for the Mayan calendar.
问：玛雅历法结束于2012年12月？
答：正如你有你的厨房墙壁上的日历不不复存在年12月31日之后，玛雅历法并没有停止存在，2012年12月21日。这是玛雅长的计数周期结束日期，但您的日历 - 就像1月1日重新开始 - 玛雅历法的另一个长期计数周期开始。

Q: Could phenomena occur where planets align in a way that impacts Earth?
A: There are no planetary alignments in the next few decades, Earth will not cross the galactic plane in 2012, and even if these alignments were to occur, their effects on the Earth would be negligible. Each December the Earth and sun align with the approximate center of the Milky Way Galaxy but that is an annual event of no consequence.
问：现象时有发生的方式，影响地球的行星对齐？
答：有没有行星的路线，在未来的几十年，地球将无法跨越2012年的银河系平面，即使这些路线要发生，其对地球的影响将是微不足道的。每年12月的地球和太阳近似银河系中心配合，但是这是一个没有结果的年度盛会。

Q: Is there a planet or brown dwarf called Nibiru or Planet X or Eris that is approaching the Earth and threatening our planet with widespread destruction?
A: Nibiru and other stories about wayward planets are an Internet hoax. There is no factual basis for these claims. If Nibiru or Planet X were real and headed for an encounter with the Earth in 2012, astronomers would have been tracking it for at least the past decade, and it would be visible by now to the naked eye. Obviously, it does not exist. Eris is real, but it is a dwarf planet similar to Pluto that will remain in the outer solar system; the closest it can come to Earth is about 4 billion miles.
问：是否有行星或褐矮星被称为Nibiru或X行星厄里斯正在接近地球，并威胁我们的星球，具有广泛的破坏？
答：Nibiru和其他有关任性的行星的故事是一个互联网骗局。这些说法是没有事实依据。如果Nibiru或X行星是真实的，与地球相遇在2012年率领，天文学家将一直跟踪它，至少在过去十年，这将是现在肉眼可见。显然，它不存在。厄里斯是真实的，但它是一颗矮行星冥王星类似，将继续留在太阳系外围，最接近它可以来到地球约4亿公里。

Q: What is the polar shift theory? Is it true that the earth’s crust does a 180-degree rotation around the core in a matter of days if not hours?
A: A reversal in the rotation of Earth is impossible. There are slow movements of the continents (for example Antarctica was near the equator hundreds of millions of years ago), but that is irrelevant to claims of reversal of the rotational poles. However, many of the disaster websites pull a bait-and-switch to fool people. They claim a relationship between the rotation and the magnetic polarity of Earth, which does change irregularly, with a magnetic reversal taking place every 400,000 years on average. As far as we know, such a magnetic reversal doesn’t cause any harm to life on Earth. A magnetic reversal is very unlikely to happen in the next few millennia, anyway.
问：什么是极移理论吗？它是真正的，地壳周围180度旋转的天如果不是小时的核心问题？
答：在地球自转的逆转是不可能的。有大陆的缓慢运动（例如南极洲附近是数百万​​年前的赤道数百），但是这是无关紧要的旋转磁极反转索赔。然而，许多灾区的网站拉诱饵和开关来糊弄人。他们声称的旋转和地球磁极变化不规则之间的关系，与磁场逆转平均每40万年。据我们所知，这种磁性逆转不会造成任何伤害到地球上的生命。磁性逆转是不太可能发生在未来的几千年，无论如何。

Q: Is the Earth in danger of being hit by a meteor in 2012?
A: The Earth has always been subject to impacts by comets and asteroids, although big hits are very rare. The last big impact was 65 million years ago, and that led to the extinction of the dinosaurs. Today NASA astronomers are carrying out a survey called the Spaceguard Survey to find any large near-Earth asteroids long before they hit. We have already determined that there are no threatening asteroids as large as the one that killed the dinosaurs. All this work is done openly with the discoveries posted every day on the NASA NEO Program Office website, so you can see for yourself that nothing is predicted to hit in 2012.
问：地球是由2012年的流星击中的危险吗？
答：地球一直受到彗星和小行星的影响，虽然是非常罕见的大热门。 6500万年前的最后一个大的影响，并导致了恐龙的灭绝。今天NASA的天文学家正在开展的一项调查显示，被称为空间卫士调查找到任何大型近地小行星，很久以前他们打。我们已经确定了，有没有威胁的小行星，作为一个大型恐龙死亡。发现来自对美国航空航天局近地天体计划办公室网站每天做这一切的工作是公开的，所以你可以看到自己，没有预计在2012年打。

Q: How do NASA scientists feel about claims of pending doomsday?
A: For any claims of disaster or dramatic changes in 2012, where is the science? Where is the evidence? There is none, and for all the fictional assertions, whether they are made in books, movies, documentaries or over the Internet, we cannot change that simple fact. There is no credible evidence for any of the assertions made in support of unusual events taking place in December 2012.
问：美国宇航局的科学家们对如何等待世界末日的说法有什么感觉？
答：对于任何索赔灾难或戏剧性的变化，在2012年，是科学吗？证据在哪里？有没有，所有虚构的断言，无论是在书籍，电影，纪录片或通过互联网，我们不能改变这个简单的事实。有没有可信的证据支持不寻常的事件发生在2012年12月作出的任何断言。

Q: Is there a danger from giant solar storms predicted for 2012?
A: Solar activity has a regular cycle, with peaks approximately every 11 years. Near these activity peaks, solar flares can cause some interruption of satellite communications, although engineers are learning how to build electronics that are protected against most solar storms. But there is no special risk associated with 2012. The next solar maximum will occur in the 2012-2014 time frame and is predicted to be an average solar cycle, no different than previous cycles throughout history.
问：是否有一个巨大的太阳风暴从2012年的预测的危险吗？
答：太阳活动峰大约每11年定期循环。这些活动峰附近，太阳耀斑可能会导致一些卫星通讯中断，尽管工程师们正在学习如何建立保护，对大部分的太阳风暴的电子。但目前还没有与2012相关的特殊风险。在下一个太阳活动峰将发生在2012至14年的时间框架和预测是一个太阳活动周期平均，没有比以前的整个历史周期不同。