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鱼儿2008 发表于 2014-1-9 20:42 
6 P4 _3 w6 U1 d/ r0 h& l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
+ M( o1 W( t) P4 d6 oREGINA - 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.. q3 ^0 ^/ K; V! C9 n1 j- A
7 G9 t; D8 X' B! W SRuth 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.2 c: s$ G) H) j; `: ?2 N
/ V8 L d" R7 k% z2 TSuch storms collide with particles and gases, such as oxygen and nitrogen, in the Earth's atmosphere to create the northern lights.
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% ~# q4 n4 l4 v, Z$ ^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.& N% R5 t* O8 b" b: \
1 m1 j. o# R2 w! E0 f' v6 j, iShe 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.& K/ Z0 w2 r9 s. ]' i& S- C
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There hasn't been a northern lights phenomenon like this in a year or two, she said.
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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.$ c! J! Z3 V0 d) G# H- @# N. ]
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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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