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鱼儿2008 发表于 2014-1-9 20:42 
. J6 H7 O7 t7 M, M! _+ k8 x% Z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 " O4 T' |, L/ ^9 N% w4 \' V
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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Ruth 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.
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Such storms collide with particles and gases, such as oxygen and nitrogen, in the Earth's atmosphere to create the northern lights. m% {& V7 ] x0 E# f6 P* F4 {/ G
- m G1 [; |! i6 @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.
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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.* E; M- a% R+ l
0 u) g5 Z. o9 `8 Y9 g: Z+ |There hasn't been a northern lights phenomenon like this in a year or two, she said.7 u0 I( e5 s& D
V9 U( {6 e2 LSky-watchers not wanting to go out in the cold or not able to get to a dark enough area weren't out of luck.# A' R* y/ v: I( |) U l" U
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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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