Out of the Blue: Islands Seen From Space

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' f4 G: N1 u' y( ~+ \Islands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island
$ z9 A! [5 M! ]/ ]from 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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! R$ K) |9 L: m3 I4 Y, YWe’ve collected images taken by astronauts and satellites from space of some of the most interesting islands on the planet., z+ P- @/ K) }0 y7 t! Y- {
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Atafu Atoll, Tokelau, Pacific Ocean
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1 A: p" s0 f+ DAround 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 6 h& [* p- a" v2 n# k
miles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory.3 T5 }( ~$ n* L
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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
' S7 ~) O! {, ?0 V* d8 |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
3 Z8 ^* P. x" N4 Q! Wa caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the
6 I* |( p" r) @tvb now,tvbnow,bttvbisland at around 4,300 feet.公仔箱論壇! {4 v, y' k* e! b2 w6 A* f
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Onekotan is in Russia’s Kuril Islands between Japan and the tip of the Kamchatka Peninsula. The islands were formed by volcanic activity
2 N) J) ?! e2 ztvb now,tvbnow,bttvbcaused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes
on Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was tvb now,tvbnow,bttvb" i/ U5 X* z) k  P0 r% \
captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009.

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Galapagos Islands, Pacific Ocean
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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 5.39.217.77; T  t) L3 a* l- |  i6 K0 I
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./ [/ M0 o! E) ?

The largest island, Isla Isabela, is made of the lava flows of six gently sloped shield volcanoes. The northernmost of Isabela’s volcanoes,
' D/ w! h( T" Bat 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,bttvb) X2 B: p( l8 O% ~. Z2 Q# s
7 satellite in 2001.+ l: E* l7 H( H. ^" z. j

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Maldives, Indian Ocean0 H. h; i9 Z! ^0 u0 x9 n3 u2 X

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  {' |+ I7 Q$ t/ ~5 x/ i& W
the average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.公仔箱論壇: R* @+ r  I! m' D: T8 {, t
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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., M! \& r) Q% ]- n
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Henrietta Island, East Siberian Sea  o6 ]2 ~6 V0 \5 l/ E5 T8 W% g0 n

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 公仔箱論壇9 W! G( {/ K3 p' V% h& i' x
younger sedimentary rocks. This image was taken by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 satellite on April 30, 2009.
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Eleuthera Island, Bahamas公仔箱論壇# d3 I# j5 M, T* c! c- ]

" i" r: C7 ?& X- @7 M8 l$ N5.39.217.77The 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。$ D, q6 R5 Q' ^" K
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 Island5 a" l0 s1 |3 |* I# f/ Y
is 110 miles long, and in places just over a mile wide. Around 8,000 people live there.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。. S5 Z# w0 w9 m  w# ^6 }

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Augustine Volcano, Alaska! {* P* z# D3 O( P4 [

The most active volcano in Alaska’s Aleutian arc, Augustine Volcano’s biggest historical eruption occurred in 1883. It has been erupting for 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 q0 q  P5 z# l' M7 e' q
40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite
2 |  J9 X6 }" @4 Jin April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.

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Lesser Sunda Islands, Indonesia5.39.217.77! Q" J6 r+ h" b1 t

( m$ `! M- R$ m3 G9 t1 DThe 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9 ]- \9 c, m5 _9 i2 G
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。& V  \2 U' O; U8 p+ D9 a! d" [2 T# H
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 Oceantvb now,tvbnow,bttvb, |7 ?# b( D! L
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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
6 f! \6 L1 ?; K" [. G& D( S5.39.217.77formed 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 5 {/ {# s" x0 t/ ], Q
crust beneath them cooled.6 m6 P+ w( c; x2 S% Z1 `" M

+ W/ K) z) f- i0 r公仔箱論壇Today, the hotspot is causing active volcanism on the Big Island of Hawaii. Kilauea Volcano has been erupting continuously since 1983. The rest : k5 v  k+ Y1 z4 w5 |3 N! `) ~! S
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 5.39.217.77  i% n; Y  f* P# h8 {
MODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Ocean公仔箱論壇% U' }* f2 C+ I8 w0 c
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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, 公仔箱論壇- q9 G6 s  C  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 5.39.217.779 L, Y3 Z1 C! j" _. [. r
the crust beneath them cooled.

Today, the hotspot is causing active volcanism on the Big Island of Hawaii. Kilauea Volcano has been erupting continuously since 1983. The 公仔箱論壇2 C, ]+ [4 }8 \# u4 t' F  @
rest of the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured
3 l: @' T& W( X# Y) @, u! X5.39.217.77by the MODIS instrument aboard NASA’s Terra satellite.公仔箱論壇+ y$ k/ i8 q$ H7 W# K  m# l$ P

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Alejandro Selkirk Island, South Pacific Ocean

" i4 I% K- B( L% }9 ?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 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。" I& V0 ?8 e/ i+ c4 p; X& K
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
' w, e! P5 k4 J; u/ Spattern 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
3 L. T. f3 w" ptvb now,tvbnow,bttvbby the Landsat 7 satellite in 1999.公仔箱論壇4 V9 f/ o0 y3 E' l; C0 y) h! g
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Millennium Island, Republic of Kiribati, South Pacific Ocean; ]$ D. u" f! C# f0 ^

( I2 c' {8 Q1 H( W4 W" }( n5.39.217.77Also known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a
9 D* |2 h: M& Ycentral 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+ I3 v- M- s% |' Y# Q4 l- W: ]
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
9 R) U9 B/ H7 paboard the International Space Station on July 1, 2009.