That will happen on Dec. 21, 2012, when the sun appears to rise in the same spot where the bright centre of galaxy sets.

这个现象将发生在2012年12月21日，届时，太阳仿佛从明亮的银河系中心处升起。

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On Dec 13, 2006, the sun itself provided a crucial clue, when a solar flare sent a stream of particles and radiation toward Earth.

2006年12月13日，当一次太阳耀斑向地球发射了一束粒子和辐射流时，它为我们提供了一条重要的线索。

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Low costs are a big reason why Intel and AMD have survived, while companies known for data-center processors built around so-called RISC designs such as DEC and Sun have been swallowed up by larger companies.

FORBES: Is Facebook About To Use ARM Chips In Its Data Centers? No!

The technology landscape is strewn with fallen stars such as DEC, HP, Yahoo, and Sun.

FORBES: How Will Apple Stay at the Top? It Must Disrupt Itself - Again