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鱼儿2008 发表于 2014-1-9 20:42 
$ \3 [0 e& ^3 x B' B% x9 R极光一般持续多久?等楼主通知后出发赶得及吗?没见过的人很期待滴说
: }7 @- ~4 Z. ~6 }REGINA - An intense burst of energy from the sun was heading towards Earth on Thursday and was expected to make for spectacular conditions to see the northern lights across Canada.
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3 r+ ^7 U7 e9 Q, C* TRuth Ann Chicoine with the Canadian Space Agency said a spot on the sun exploded Tuesday in what is known as a solar flare and sent a coronal storm cloud our way.( `# H: D/ I* o6 O, b" G0 F
1 F& y' d. X; lSuch storms collide with particles and gases, such as oxygen and nitrogen, in the Earth's atmosphere to create the northern lights.% a# [2 \8 f' F
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This storm was expected at around 3 a.m. EST Thursday, but Chicoine joked that it appeared to be taking the panoramic route to Earth.% j; x: ]" R& i9 r! h
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She said a nationwide alert had been issued, meaning even southern areas could see the northern lights Thursday night if the storm hit as hard as predicted.
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There hasn't been a northern lights phenomenon like this in a year or two, she said.$ S& `3 \) Q7 ?" n; q2 M- q6 f
1 ^2 r( O4 h9 f& m$ ?Sky-watchers not wanting to go out in the cold or not able to get to a dark enough area weren't out of luck.
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鲜花鸡蛋JoyceAccSG 在2014-1-9 20:46 送朵鲜花 并说:我非常同意你的观点,送朵鲜花鼓励一下 JoyceAccSG 在2014-1-9 20:46 送朵鲜花 并说:我非常同意你的观点,送朵鲜花鼓励一下
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