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鱼儿2008 发表于 2014-1-9 20:42 ) F$ y' g/ p+ s+ V
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 4 r; t3 v7 z" a4 }; ^. c$ e
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.. y) d1 @% I! }0 T8 a. V: e
) f# W' Q3 Z7 r* L' `. G: k1 y2 HRuth 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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3 ^5 i4 `# A6 p+ BSuch storms collide with particles and gases, such as oxygen and nitrogen, in the Earth's atmosphere to create the northern lights.7 b8 g) [7 r& A# b
! j8 ^: l1 p# @0 ]+ |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.2 Q0 I- j7 ^' c. g% x3 u ?
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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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5 z' S m y$ QThere 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.0 p: c. c% ~/ \1 r
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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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