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鱼儿2008 发表于 2014-1-9 20:42 # n2 z2 x* T, R, A
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 ' J" S3 {4 u5 `' q* F
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.0 P+ n3 b, t% T5 B# L
& |; }2 f7 A5 y# y. X- pRuth 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.5 o/ l0 I5 {' _4 S+ s0 d8 x9 p' y
& S- h0 L3 H& A- @1 z3 H* F5 Y1 C, e3 \Such storms collide with particles and gases, such as oxygen and nitrogen, in the Earth's atmosphere to create the northern lights.& U, b v" i# c. I) e
9 `( i" a8 K! p* F" z' TThis 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.
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: S/ w1 Q# ^$ ]8 a5 AThere hasn't been a northern lights phenomenon like this in a year or two, she said.4 |2 f0 W1 u2 V5 s
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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 y1 H8 J& V5 M0 y& F# {
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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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