 鲜花( 223)  鸡蛋( 0)
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鱼儿2008 发表于 2014-1-9 20:42 6 ~! U- w) g7 i9 j$ B
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
* W: c- s. D0 f: [, y, FREGINA - 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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S6 i a: E( C7 s+ ?; \Such storms collide with particles and gases, such as oxygen and nitrogen, in the Earth's atmosphere to create the northern lights.. Z! `! d" w1 c+ K0 k$ D# T- o$ ?
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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.
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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.1 F/ D3 d' C; h0 k) T9 S" T; c
7 G' h1 n) p8 UThere hasn't been a northern lights phenomenon like this in a year or two, she said.8 }) ]8 ~+ J$ W
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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.7 ?6 H+ A5 B% Y" I) |4 W
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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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