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標題: [歐洲] 挪威‧壯麗極光‧7年最大磁暴 [打印本頁]

作者: vandas 時間: 2012-1-27 05:18 AM 標題: 挪威‧壯麗極光‧7年最大磁暴

挪威上空北極光絢麗奪目
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【新報25日綜合外電報道】六年多來規模最大的太陽風暴，這兩天以近1.5億公里時速撲向地球，位於低緯度地區，幾乎沒有影響，但在高緯度地區像挪威，就可以看到絢麗的北極光。

美得令人窒息的北極光在挪威的上空上演，感覺物換星移，讓人嘆為觀止。科學家說，太陽風暴侵襲地球，未來幾天不但在緯度較高的挪威，蘇格蘭，就連位置比較偏南的英格蘭北部及愛爾蘭，都可以看到這樣波瀾壯闊的美景。公仔箱論壇2 i) N$ M9 L9 D! V% f

極光獵人帶隊追尋
由於太陽風暴產生的極光光采奪目，在北極圈有極光追逐者，追尋北極夜空最光采奪目的瞬間，現在已有不少公司成立，專門帶領極光追逐者，在適當時機到合宜地點，欣賞璀燦的極光。2 |+ s& C+ n7 ^; c6 b- K
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英國人紀恩5年前放棄在英國經營慈善會的工作，搬到芬蘭北部拉普蘭省偏遠的艾瓦洛村，經營「極光獵人」公司，一周帶領7名遊客，到北極曠野追尋北極光。
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紀恩說，他選擇把公司設在艾瓦洛，是因為當地地廣人稀，光害及噪音污染極少，是追逐極光的絕佳地區。除了紀恩的公司，在芬蘭及挪威也有一些公司，經營帶領遊客欣賞極光的業務。 % }8 x% g- F0 G

芬蘭攝影家瑞坎南表示，芬蘭人對極光習以為常，天氣好的時候，一年有200個晚上可以見到，但極光怒放時大家依然很感興趣，因為天空五顏六色，絢爛奪目。
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Photos from National Geographic

作者: vandas 時間: 2012-1-27 05:20 AM 標題: 挪威‧壯麗極光‧7年最大磁暴

[youtube]XVsIJ_CsR4I[/youtube]

作者: vandas 時間: 2012-1-27 03:31 PM 標題: 7年最大磁暴‧挪威壯麗極光

挪威上空北極光絢麗奪目5.39.217.76; B3 G+ p- R+ ], u& [4 A7 K

六年多來規模最大的太陽風暴，這兩天以近1.5億公里時速撲向地球，位於低緯度地區，幾乎沒有影響，但在高緯度地區像挪威，就可以看到絢麗的北極光。 TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。& e. x* A6 l% r, u

美得令人窒息的北極光在挪威的上空上演，感覺物換星移，讓人嘆為觀止。科學家說，太陽風暴侵襲地球，未來幾天不但在緯度較高的挪威，蘇格蘭，就連位置比較偏南的英格蘭北部及愛爾蘭，都可以看到這樣波瀾壯闊的美景。 tvb now,tvbnow,bttvb) Q: H* W0 G" s/ B- h% U- w
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極光獵人帶隊追尋
由於太陽風暴產生的極光光采奪目，在北極圈有極光追逐者，追尋北極夜空最光采奪目的瞬間，現在已有不少公司成立，專門帶領極光追逐者，在適當時機到合宜地點，欣賞璀燦的極光。
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。8 L4 y1 ^3 C! P$ q. c! d
英國人紀恩5年前放棄在英國經營慈善會的工作，搬到芬蘭北部拉普蘭省偏遠的艾瓦洛村，經營「極光獵人」公司，一周帶領7名遊客，到北極曠野追尋北極光。

紀恩說，他選擇把公司設在艾瓦洛，是因為當地地廣人稀，光害及噪音污染極少，是追逐極光的絕佳地區。除了紀恩的公司，在芬蘭及挪威也有一些公司，經營帶領遊客欣賞極光的業務。 TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。; ?8 r) m- _7 y5 Y. d) v, g
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芬蘭攝影家瑞坎南表示，芬蘭人對極光習以為常，天氣好的時候，一年有200個晚上可以見到，但極光怒放時大家依然很感興趣，因為天空五顏六色，絢爛奪目。【新報25日綜合外電報道】
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Arctic Auroras% a% l; r6 P+ Z" z# n8 g( @
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Northern lights dance over the Lyngan Alps in a picture taken Tuesday night near Tromsø, Norway. The brilliant auroras were triggered by a coronal mass ejection, or CME, that hit our planet Tuesday morning. A CME is a cloud of superheated gas and charged particles hurled off the sun.

On Monday, space-weather scientists reported that an especially strong solar flare had erupted from an active region on the sun, followed by the huge CME that came barreling toward our planet. The burst of activity triggered the strongest solar storm experienced since October 2003, according to experts at NOAA's Space Weather Prediction Center in Boulder, Colorado.tvb now,tvbnow,bttvb6 a. C& h! I# e7 l* `) t
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When a CME hits Earth, the charged solar particles can interact with gases in our atmosphere to produce the northern and southern lights. Sky-watchers were put on alert for intense auroras Tuesday night through Wednesday morning.

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Aurora Storm
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Green auroras hang like storm clouds in the skies near Tromsø, Norway, on Wednesday.

This week's solar storm was strong enough to cause sporadic radio blackouts in high-latitude regions, spurring some airlines to reroute polar flights. Still, the storm is considered to be moderate and isn't expected to cause major disturbances to ground- or space-based equipment, experts said.8 g1 K& i3 ^% u) {

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Aurora Huntingtvb now,tvbnow,bttvb2 B  ]6 @9 Q7 ]. U3 k# P* y4 o5 m

A multicolored blade of light seems poised to strike over a snowy forest in Ivalo, Finland, on January 22. Late last week a NASA satellite witnessed a solar flare and CME from a different active region on the sun. That solar event triggered a round of auroras over the weekend, including the display captured above.5.39.217.76" T: R* A9 J4 P* K

"At approximately 19:00 hrs the night sky over our Guest house was illuminated by the most spectacular display of Northern Lights, which lasted for several hours," photographer Andy Keen wrote on Spaceweather.com.

"The temperatures plummeted to a chilly -25 degrees Centigrade [-13 degrees Fahrenheit]—cold enough to make our lenses freeze and turn our camera bodies white."5.39.217.762 J3 J8 T0 n  \" [1 F9 P

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Aurora Trek公仔箱論壇7 c; F( t8 U5 L4 r* d8 r; G7 D6 d

A snowmobiler stops to admire the northern lights in Finnish Lapland on January 24.

Improved computer models and a fleet of sun-watching satellites are helping space-weather experts better predict when CMEs will strike Earth—which also allows for more precise aurora forecasts.

"We went out with snowmobiles to wait for the incoming storm," photographer Antti Pietikäinen wrote on Spaceweather.com. "Show started slowly, and after 15 minutes the landscape was green!"

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Aurora on Ice
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Northern lights flow over the snow-dusted mountains near Tromsø, Norway, on January 21. The stitched panorama picture also shows the auroras reflected in smooth ice, which is "normally ... covered by snow in winter time," according to photographer Thilo Bubek.
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Ghostly GlowTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。' n, r; @$ q( [$ J

Curtains of auroras shimmer over the snow covered forests of Norilsk, Russia, on January 22.公仔箱論壇* A5 \: t( }' q' i' L" [0 |0 J

Although auroras are most common closer to the Poles, strong geomagnetic storms can trigger the light shows in lower latitudes. (See aurora pictures: "Rare Northern Lights Seen in U.S. South.")
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For instance, during the biggest solar storm on record—the 1859 Carrington Event—northern lights were reported as far south as Cuba and Hawaii, while southern lights were seen as far north as Santiago, Chile.5.39.217.76  h, y0 d5 z" ~4 m$ x- {. E) \
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Green Lantern
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Bright green auroras light up the night sky in a picture taken near Tromsø, Norway, on January 21.
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The colors of auroras depend on the types of gases in Earth's atmosphere being affected by a solar storm. In most cases, auroral lights come from oxygen being "excited"—given extra electrical energy—during the collisions of gas atoms with solar particles. The charged-up oxygen releases the extra energy as green light.
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Wings of Lights
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Bright auroras seem to spread like wings over the mountains outside of Tromsø, Norway, on January 22.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。# D, f: r5 l, {5 U; l
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"This was amazing," photographer Bjørn Jørgensen wrote on Spaceweather.com. "It was a wonderful experience to see these stunning auroras."
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Abisko Auroras

Participants in a photo expedition work to capture the northern lights in Sweden's Abisko National Park on January 24.tvb now,tvbnow,bttvb d% r( i3 s/ h
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"The auroras began as we were eating dinner and continued into the very early hours of the morning," expedition leader Chad Blakley told Spaceweather.com. "Words can not describe the excitement we shared and the sights we saw."

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Iceland Auroras
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Green auroras flow over snow-covered gravestones on January 22 at Thingvellir, a historic site in southern

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Seeing a Solar Flaretvb now,tvbnow,bttvb3 O7 w. g4 O0 q

Image courtesy SDO/NASA

A composite picture from NASA's Solar Dynamics Observatory captured the January 19 solar flare erupting from the sun. The picture includes data from multiple wavelengths of ultraviolet light, to represent the different layers of the sun's turbulent atmosphere.5.39.217.76+ \2 I1 X: T* V% K
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Aurora AhoyTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。( E' B+ k: L- E1 T0 N' @$ ?+ ^

A blanket of green hangs over the coast of Bø in northern Norway in a picture taken January 6.

In general, auroras have been ramping up over the past year as the sun has approached what's known as solar maximum, a period of more intense activity in our star's natural 11-year cycle.

Scientists predict the sun will reach solar max in 2013, and that we'll continue to see more frequent and intense flares, CMEs, and other eruptions that—when aimed at Earth—might not only supercharge auroras but could also carry risks for airplanes, satellites, and the power grid.
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(Photos from National Geographic)

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