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標題: Out of the Blue: Islands Seen From Space [打印本頁]

作者: bchew    時間: 2009-12-22 09:10 AM     標題: Out of the Blue: Islands Seen From Space

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* e* S4 |* Z$ @8 p) YIslands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island
* Z5 P  q' Y( |3 V3 l% Dwww3.tvboxnow.comfrom its sandy beaches, or a volcanic island from its towering peaks is wonderful, experiencing them from above can be inspiring as well.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。% S% i2 L" x$ x

/ @" T  B3 V- L) w/ [9 _公仔箱論壇We’ve collected images taken by astronauts and satellites from space of some of the most interesting islands on the planet.
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- K$ a  m1 P2 N) kTVBNOW 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。Atafu Atoll, Tokelau, Pacific Oceantvb now,tvbnow,bttvb3 f5 M- R+ K- g5 K0 b9 K

5 f9 j% ~1 y$ U$ K公仔箱論壇Around 500 people live on Atafu Atoll, mostly in a village that can be seen on the corner in the left of the image above. Atafu is just five 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。3 D6 o. c  c% G* Y" w! z. `4 h
miles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory.
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3 Y% R2 i7 V7 \1 M4 w- y1 YAtafu is made up of coral reefs that surrounded the flanks of a volcano that has since become inactive and submerged. Like many tropical
7 B* p- y4 }* Q! n# i. RTVBNOW 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。atolls, Atafu is very low lying and vulnerable to sea-level rise. This photograph was taken by astronauts aboard the International Space Station in January.
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Onekotan Island, Russia
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An island within an island was created after a big eruption around 9,000 years ago caused the peak of Onekotan’s volcano to collapse, forming
, u9 d$ f7 `$ Q5 Y7 j# Y- btvb now,tvbnow,bttvba caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the tvb now,tvbnow,bttvb! E  V5 j! r" V
island at around 4,300 feet.tvb now,tvbnow,bttvb: m( C2 ?4 j, R+ {* C! M

1 B  X" \: O) J% v% ^9 hwww3.tvboxnow.comOnekotan is in Russia’s Kuril Islands between Japan and the tip of the Kamchatka Peninsula. The islands were formed by volcanic activity 公仔箱論壇, R" v6 ]8 S, T) \
caused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes www3.tvboxnow.com/ B) \) K2 V, F) k9 g3 |& j
on Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was " h  j: R+ ~5 z7 H' M' A& R; e0 l6 o2 g
captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009." \! u6 h$ U: S9 d3 n
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Galapagos Islands, Pacific Ocean
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8 Y; d0 I# C: C, v3 r公仔箱論壇The Galapagos Islands are the tops of volcanoes on the sea floor off the coast of South America along the equator. The volcanic activity
8 |0 T# d& e/ B% o' |tvb now,tvbnow,bttvbthat formed the islands is thought to be the result of a plume of hot mantle material rising from deep in the Earth’s interior.
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3 T" p7 x4 l7 |公仔箱論壇The largest island, Isla Isabela, is made of the lava flows of six gently sloped shield volcanoes. The northernmost of Isabela’s volcanoes, 2 a/ g: U: r; `. O$ s" F/ ?3 g
at the top of the image above, is Wolf Volcano, which has erupted at least nine times since 1797. This image was taken by the Landsat
% {4 E# [9 t- e+ _* v$ L7 satellite in 2001.www3.tvboxnow.com8 a/ `/ v, t1 ]& j7 U
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Maldives, Indian Ocean公仔箱論壇& d% \. z* m/ F8 g

% D: ]' ^# @7 R4 yThe Maldives comprise 1,192 small coral islands adding up to just 115 square miles of territory. About 330,00 people live on the islands, tvb now,tvbnow,bttvb0 L  Q" C( j7 |  F: r! n$ A) d
the average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.www3.tvboxnow.com' N( H8 k8 m5 u

( O) Q5 U2 c/ N+ a公仔箱論壇This image of the North and South Malosmadulu Atolls was taken in 2002 by the ASTER instrument aboard NASA’s Terra satellite.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 J/ W% |3 w2 w% j% f

, S# [: L( D" D  ~5 z5 UTVBNOW 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。tvb now,tvbnow,bttvb- n( o1 b! f) Y& r6 U* o# M

; y" i+ f& d& NHenrietta Island, East Siberian Sea0 |* ?+ \% F; z* {+ N

- ?  f- b+ }1 @* bThis glacier-covered Russian island is just 6 miles wide. Beneath the ice, the island is made up of 500-million-year-old volcanic rocks overlain by / ~3 J& a+ V$ \9 l/ b0 I, F
younger sedimentary rocks. This image was taken by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 satellite on April 30, 2009.. R5 P3 B4 P& u  k; y) @

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Eleuthera Island, Bahamas
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The spectacular underwater formations to the west of Eleuthera Island are made of calcium carbonate sand that has been eroded off 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。# p: S0 C, ~# V2 I
of coral reefs and deposited in dunes by ocean currents.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。2 Q: U( }: q% y5 ~0 ~+ X

* O" l: \: }7 j8 @6 yThis 2002 image was captured by astronauts aboard the International Space Station. Located in the middle of the Bahamas, Eleuthra Island公仔箱論壇# |; {) Z7 W& a$ E: R
is 110 miles long, and in places just over a mile wide. Around 8,000 people live there.tvb now,tvbnow,bttvb! I0 t  T/ |; F& |: ^9 K9 U
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Augustine Volcano, Alaska
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The most active volcano in Alaska’s Aleutian arc, Augustine Volcano’s biggest historical eruption occurred in 1883. It has been erupting for * l7 T8 h5 H6 L1 e2 I
40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite
' }" A- @0 S, ~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。in April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.公仔箱論壇/ B/ W; ]# Q0 |" f9 G6 e

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5 q6 U6 M! x& g" T( G1 Qwww3.tvboxnow.comLesser Sunda Islands, Indonesia
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The three largest islands in this image, and many smaller ones, make up Indonesia’s Komodo National Park which was established in 1980 to protect 公仔箱論壇: X1 x- r% m$ K4 a5 t, k& t
the world’s largest lizard species, Komodo dragon. The total area of the park is 230 square miles. The islands are volcanoes caused by the collision
4 W% @2 f! K3 W( e/ Vof two tectonic plates. This image was captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA’s Terra satellite in 2000.8 ^- F/ _* k: Y: S! s8 {
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, ], [$ Q: i- T# G" YTVBNOW 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。Hawaiian Islands, Pacific Ocean
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* w9 g1 w9 I. u: cwww3.tvboxnow.comThe Hawaiian Islands were formed by an upwelling plume of hot mantle material, called a hotspot. As the Pacific plate moved over the hotspot, it
# I' j2 K9 _, y. z% xTVBNOW 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。formed a chain of islands that first grew larger as they actively erupted, and then slowly eroded and sank below the surface of the ocean as the
. ]# |& m9 b2 g: p+ R0 dwww3.tvboxnow.comcrust beneath them cooled.tvb now,tvbnow,bttvb3 l! _9 x- Y5 Q: D' L( L( F8 s
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。  N1 d: I4 `& ~+ k- c" X
Today, the hotspot is causing active volcanism on the Big Island of Hawaii. Kilauea Volcano has been erupting continuously since 1983. The rest
, |5 U+ V. S4 v: d( Rof the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured by the 0 A0 D  q& D# C! Z% p' Y+ L% g6 H" ^
MODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Ocean
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  S( m" J) }2 o# xThe Hawaiian Islands were formed by an upwelling plume of hot mantle material, called a hotspot. As the Pacific plate moved over the hotspot, . h% p' @6 }4 ?) a5 g2 L3 o7 j
it formed a chain of islands that first grew larger as they actively erupted, and then slowly eroded and sank below the surface of the ocean as
+ ~9 c# F7 Q& [, C+ Z4 |& xwww3.tvboxnow.comthe crust beneath them cooled.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。1 O) {4 X% Z4 A4 `
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Today, the hotspot is causing active volcanism on the Big Island of Hawaii. Kilauea Volcano has been erupting continuously since 1983. The tvb now,tvbnow,bttvb, W% d4 z8 l3 e5 K5 S' k1 ~
rest of the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured tvb now,tvbnow,bttvb' e/ x3 [! [( o
by the MODIS instrument aboard NASA’s Terra satellite.
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Alejandro Selkirk Island, South Pacific Ocean
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This small member of the Juan Fernandez Islands off the coast of Chile measures just under a mile across. But its 5,000 feet of elevation is high enough
5 [5 d4 M' X6 iwww3.tvboxnow.comto reach the layer of stratocumulus clouds pictured above. The result is a type of flow known as a von Karmen vortex street. This striking, curly 公仔箱論壇$ c* L4 v7 u. J" b+ U. [2 \8 ~- [
pattern of eddies can also be seen in clouds, and fluids or air moving past rounded objects such as an airplane wing. This image was taken tvb now,tvbnow,bttvb+ F& c! e5 }/ x$ `1 b7 b
by the Landsat 7 satellite in 1999.6 j" O  g# w) ]: x, j* @2 R
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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。- T2 O# p" ~5 y8 C

' Y6 p( _5 i) \& T' SMillennium Island, Republic of Kiribati, South Pacific Oceantvb now,tvbnow,bttvb5 l2 s/ u8 _5 R, I
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Also known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a 公仔箱論壇1 a6 `3 V; _5 L9 P2 I$ Z
central lagoon. The maximum elevation of the island is less than 20 feet above sea level. In the past, the island has been inhabited and mined
. o1 p7 o2 }$ o" Afor guano, though today there are no people and it is among the world’s most pristine tropical islands. This image was taken by astronauts 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。9 g! ?  ]/ ?2 R
aboard the International Space Station on July 1, 2009.


作者: k23bb    時間: 2009-12-23 01:06 AM

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