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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
5 v  i& w: l7 ~  A3 Ftvb now,tvbnow,bttvbfrom its sandy beaches, or a volcanic island from its towering peaks is wonderful, experiencing them from above can be inspiring as well.
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. L# l3 c" ^, d5 K5.39.217.76We’ve collected images taken by astronauts and satellites from space of some of the most interesting islands on the planet.公仔箱論壇- k! I, h' l$ f; b

. j# {. a7 [) K1 X! `  v. d+ T1 Xtvb now,tvbnow,bttvbAtafu Atoll, Tokelau, Pacific Ocean
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. Q, z6 d, v6 |. e. y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
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9 n9 S: g: h. [, g' Ztvb now,tvbnow,bttvbAtafu is made up of coral reefs that surrounded the flanks of a volcano that has since become inactive and submerged. Like many tropical
4 @9 w6 ^- k/ n: u& A- n( ATVBNOW 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, Russiatvb now,tvbnow,bttvb% p- ~% L9 H0 R! h+ d" c+ F; y+ s
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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 6 \% a, |' T& }( R6 R* _; c
a caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the
6 ~; o$ K( }$ h( s6 p$ M0 I! pisland at around 4,300 feet.
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; q5 H. c" h# D0 i0 ROnekotan 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3 O; L( e8 z- |: ]" o2 U
caused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes - R& \0 b3 v5 R; P0 v
on Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was
, a. l2 n7 \$ S+ N& [tvb now,tvbnow,bttvbcaptured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009.
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0 a, J* b2 Z" BGalapagos Islands, Pacific Oceantvb now,tvbnow,bttvb/ Z; J6 G8 P2 ^  J" g4 l8 ]
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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
9 B- V$ @+ U' f9 xtvb 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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, E+ K4 ^, g, sThe largest island, Isla Isabela, is made of the lava flows of six gently sloped shield volcanoes. The northernmost of Isabela’s volcanoes, 公仔箱論壇$ F7 r7 B2 K  ?2 z
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 5 R/ @; T5 n3 z" f" Q
7 satellite in 2001.8 m3 Y% c2 h/ z, p7 _+ L, _
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Maldives, Indian Ocean
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The Maldives comprise 1,192 small coral islands adding up to just 115 square miles of territory. About 330,00 people live on the islands, 公仔箱論壇: q% `  P: _0 y% m
the average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.tvb now,tvbnow,bttvb: L. Y! Z* Z- W  V" c: g( J6 s. V8 c7 d
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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公仔箱論壇* r/ f) d' }: ]2 \; c

- h) J, R+ F  o( _$ `3 ?) u公仔箱論壇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
) C( s. ]' ?3 z9 S+ A7 Ryounger sedimentary rocks. This image was taken by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 satellite on April 30, 2009.6 g& q8 S( p% W" K
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Eleuthera Island, Bahamastvb now,tvbnow,bttvb: s( M( Z* b1 D' L5 ^% ~0 t
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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 s1 P; C  g  h+ }公仔箱論壇of 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 IslandTVBNOW 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。. a+ l  L) T) `, j! R* N+ E  s
is 110 miles long, and in places just over a mile wide. Around 8,000 people live there.
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Augustine Volcano, Alaska公仔箱論壇  @& Q2 A, U  s8 Q
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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
3 C8 w! W, b5 l1 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。40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite , [$ Q! |5 s( P
in April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.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。. R; z6 V: ^+ K1 f

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Lesser 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 # w/ M" I) s5 J' g! J
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 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。4 M/ j* O8 p+ u
of two tectonic plates. This image was captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA’s Terra satellite in 2000.公仔箱論壇" C. z0 z/ F6 S4 Y

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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, it
! V/ [6 G9 f. J, b7 Htvb now,tvbnow,bttvbformed 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
* L! A4 b2 t7 \3 Gtvb now,tvbnow,bttvbcrust beneath them cooled.公仔箱論壇3 a* x, U7 _+ g- Z% y
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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
; n  }# T; H3 {6 A; {. htvb now,tvbnow,bttvbof the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured by the 公仔箱論壇& |: G9 o: w$ X3 n
MODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Ocean; Z' `8 A$ [. G: w2 [1 Q
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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,
& s2 j( I( U0 bit 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 公仔箱論壇  D; c5 k: X+ b2 N
the crust beneath them cooled.5.39.217.765 |- I) P8 e, [" |
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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
% r( t* v; ^  P6 ]! GTVBNOW 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。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  l3 |* j+ W$ l6 R# {8 G
by the MODIS instrument aboard NASA’s Terra satellite.
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( {, Q4 p" Q* S公仔箱論壇Alejandro Selkirk Island, South Pacific Ocean公仔箱論壇7 k" i! Z: D- l

. W1 r* m: e; a0 J# u! \- t公仔箱論壇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 2 y! V' ?7 A( e  e% e
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
. L, ?1 [/ K  q0 Hpattern 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 1 N/ C' o% l4 u6 W% s6 e4 G  l1 q
by the Landsat 7 satellite in 1999.
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/ K1 O- o, |: o5.39.217.76Millennium Island, Republic of Kiribati, South Pacific Ocean
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( Z/ C; h: a" ^6 x7 _tvb now,tvbnow,bttvbAlso known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a
' ^1 n: Z' f. wcentral 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 tvb now,tvbnow,bttvb/ L# g) U& l! |0 y  ^; C
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
+ ~  b! e! |3 m. B. v* Y. ]tvb now,tvbnow,bttvbaboard the International Space Station on July 1, 2009.

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