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Out of the Blue: Islands Seen From Space


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Islands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island ( W; t% A* H* O* J( ^
from its sandy beaches, or a volcanic island from its towering peaks is wonderful, experiencing them from above can be inspiring as well.; a% v* h9 c6 ^5 ^/ Y

, I* |  K7 M1 q: B- Ltvb now,tvbnow,bttvbWe’ve collected images taken by astronauts and satellites from space of some of the most interesting islands on the planet.+ ?. C0 [8 Y# X3 h2 b
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Atafu Atoll, Tokelau, Pacific Ocean5.39.217.76' W3 J8 {& D! `- W

/ {% j; `! Z9 [! F- I) [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 公仔箱論壇; o6 A! i4 g4 V) Y
miles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory.tvb now,tvbnow,bttvb5 P$ B  E9 t+ t. R+ h8 t! f
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Atafu is made up of coral reefs that surrounded the flanks of a volcano that has since become inactive and submerged. Like many tropical ; p6 @6 t9 X  ?# v5 F. m
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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( _7 P" |, t  m$ \+ jOnekotan Island, RussiaTVBNOW 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。7 `4 `. o% }* K8 q1 A
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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
( p% u( i# e4 F. n3 v# u' g5.39.217.76a caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the 5.39.217.76/ g* Q7 }- q! A  C* m/ l
island at around 4,300 feet.
, ^+ @' s8 y$ t* }; D2 }2 t, btvb now,tvbnow,bttvb
* D) R+ e+ m& cTVBNOW 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。Onekotan is in Russia’s Kuril Islands between Japan and the tip of the Kamchatka Peninsula. The islands were formed by volcanic activity
- R% _# Y9 g/ h  ~2 M3 r" G5.39.217.76caused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes
0 a9 i' p  k8 I! ]$ h6 O5 Mtvb now,tvbnow,bttvbon Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was
2 Q' `% ^! K  \+ W; \: N: _公仔箱論壇captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009.
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* r+ P, m* s5 B# {# J* X  |) Gtvb now,tvbnow,bttvbGalapagos Islands, Pacific Ocean* v, l8 C% |& Z6 k1 L
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The Galapagos Islands are the tops of volcanoes on the sea floor off the coast of South America along the equator. The volcanic activity 5.39.217.76" t: W; c! |0 _3 C1 m2 k7 t; d
that formed the islands is thought to be the result of a plume of hot mantle material rising from deep in the Earth’s interior.6 {+ P/ L2 M3 e/ R

: c3 y8 ^) V. K. ~5.39.217.76The largest island, Isla Isabela, is made of the lava flows of six gently sloped shield volcanoes. The northernmost of Isabela’s volcanoes, 5.39.217.764 A0 ]3 H8 c: _- ~
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 tvb now,tvbnow,bttvb7 |0 U9 C3 E- l  ^1 g/ [
7 satellite in 2001.公仔箱論壇$ d6 l+ x8 _; f
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; N; m8 P7 I+ n0 oTVBNOW 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 n8 D" u! A# M) P+ k* utvb now,tvbnow,bttvbMaldives, Indian Ocean1 v' H9 u  }' ?' h- l; |

  t& |: H2 K; Q4 \$ j( i5.39.217.76The Maldives comprise 1,192 small coral islands adding up to just 115 square miles of territory. About 330,00 people live on the islands,
% G0 D% S# G8 N2 x8 G+ J  Ethe average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.# Q* [) ^7 R; u- G3 V* P# `! Y5 }
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This image of the North and South Malosmadulu Atolls was taken in 2002 by the ASTER instrument aboard NASA’s Terra satellite.
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Henrietta Island, East Siberian Sea
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This 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 tvb now,tvbnow,bttvb* f& |  L/ j% _  @* q
younger sedimentary rocks. This image was taken by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 satellite on April 30, 2009.) N, `$ k" T& L' \5 e
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( C0 r  Z6 \4 B) H; REleuthera 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
5 Y( ^3 |" A7 J" _" M+ q3 rtvb now,tvbnow,bttvbof coral reefs and deposited in dunes by ocean currents.
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This 2002 image was captured by astronauts aboard the International Space Station. Located in the middle of the Bahamas, Eleuthra Island' i. B  ?* M; r6 y1 Y1 f+ {
is 110 miles long, and in places just over a mile wide. Around 8,000 people live there., y. [5 C2 v$ A

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* L0 V/ h1 s$ w0 h- }' X. hAugustine Volcano, Alaskatvb now,tvbnow,bttvb5 `3 M; p$ a  K
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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
+ ~, M+ \7 D8 }1 b( q) \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。40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite 公仔箱論壇9 n# m! D/ [; C2 n) A' g
in April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.
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( e0 R9 ~' O, k$ I6 DTVBNOW 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。Lesser Sunda Islands, Indonesia
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; c- r6 k, b# d$ ztvb now,tvbnow,bttvbThe three largest islands in this image, and many smaller ones, make up Indonesia’s Komodo National Park which was established in 1980 to protect 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。* K% [2 n7 s) I8 D) Y6 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 i+ ~" x7 ^$ R4 G1 ]/ B5 o
of two tectonic plates. This image was captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA’s Terra satellite in 2000.
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Hawaiian Islands, Pacific Ocean" A+ e! w& g5 o- m/ e1 D& T
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The Hawaiian Islands were formed by an upwelling plume of hot mantle material, called a hotspot. As the Pacific plate moved over the hotspot, it
* h% f5 }% _4 c( b+ v( e$ z8 Tformed 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 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。  |" K( v" v' O/ s: ~1 ^/ c
crust beneath them cooled.
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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 rest
) |+ P# S7 \1 |+ r" ~公仔箱論壇of the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured by the
3 Z1 r" N( [  j' n5 E3 r2 btvb now,tvbnow,bttvbMODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Ocean
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The Hawaiian Islands were formed by an upwelling plume of hot mantle material, called a hotspot. As the Pacific plate moved over the hotspot,
& p, b, ~* @$ b. q公仔箱論壇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
6 ]$ w/ b! V, G9 y& {* 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。the crust beneath them cooled.tvb now,tvbnow,bttvb& j6 x& e9 R: i. y
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/ k. U  h3 i& G- V1 g' O8 D
Today, the hotspot is causing active volcanism on the Big Island of Hawaii. Kilauea Volcano has been erupting continuously since 1983. The 7 O0 e, }* v4 H" m0 O( w. w2 k  X
rest of the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured 5.39.217.76( w0 K) v4 f6 `: ^* g) V6 O
by the MODIS instrument aboard NASA’s Terra satellite.5.39.217.763 ]$ d1 A0 L' u4 X- b) B3 g

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! C. Y: n' ]+ G* l) u9 l公仔箱論壇Alejandro Selkirk Island, South Pacific Ocean, t3 m4 h: `1 O% z
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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 公仔箱論壇: X* R" R+ e/ Z+ \0 a
to 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
0 q* i$ Y0 o9 M7 k* _" q5.39.217.76pattern 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
5 r, U6 L8 v- B0 v  v& ~# ^0 \by the Landsat 7 satellite in 1999.
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Millennium Island, Republic of Kiribati, South Pacific Oceantvb now,tvbnow,bttvb* \3 E' y  Q; k6 X6 L
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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
3 R* D+ }8 v0 X( I2 _* u5.39.217.76central 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
' Y* R" G0 x/ h: x4 ]4 a- ~for guano, though today there are no people and it is among the world’s most pristine tropical islands. This image was taken by astronauts
* a& z" l6 U0 |6 Z/ Q1 Uaboard the International Space Station on July 1, 2009.

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