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鱼儿2008 发表于 2014-1-9 20:42 / V9 k2 f. @) I' z8 A0 x
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
! c' B! |5 }- F! [; x# ]" kREGINA - 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.1 _+ ]% Z4 x! p, J1 {4 z
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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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6 I: R8 j; X$ L9 i/ C9 s2 V7 T% CSuch 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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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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% z) U" L4 `2 [; dShe 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.: K9 C2 K) \$ W4 \
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There hasn't been a northern lights phenomenon like this in a year or two, she said. W n! J" s% w" U; ^
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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.
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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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