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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


% o" [0 N* w8 t9 |公仔箱論壇
/ c" `+ ^, S9 PIslands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island & F/ r" z4 P$ N4 D2 Q% b2 I  \
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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. p5 i' ^0 M8 S; u3 ~# s* I6 S* Xtvb now,tvbnow,bttvbWe’ve collected images taken by astronauts and satellites from space of some of the most interesting islands on the planet.
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5 J& W9 J# i0 r6 b+ uAtafu Atoll, Tokelau, Pacific Ocean
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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 tvb now,tvbnow,bttvb5 l, k8 |1 y# j* b: W
miles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory.
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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 tvb now,tvbnow,bttvb6 {% K' x) n; ]1 W2 H# `
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.公仔箱論壇. z5 S( u' j% S9 m0 w# R& ]

/ A+ f! W/ r5 {8 R5 N5 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。
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& B+ D, ~) M# e  j( l& q, m  x+ LOnekotan Island, Russia
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; X9 k( c4 M8 H5.39.217.77:8898An 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 公仔箱論壇7 V+ @1 E4 e* F# T0 a" u
a caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the
, ^# e8 q; X. E) @- tisland at around 4,300 feet.
; g- k; ~5 S' f" f- 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。
9 D, u  X9 L$ b9 P" m, Ptvb now,tvbnow,bttvbOnekotan is in Russia’s Kuril Islands between Japan and the tip of the Kamchatka Peninsula. The islands were formed by volcanic activity
/ f4 i9 u! Y8 v2 R. b; B公仔箱論壇caused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes 公仔箱論壇2 i* m- U* @9 X
on Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was 5.39.217.77:8898$ S& {* V2 j: `# T' T  ^
captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009.' a" I* P' w+ v3 G5 d. Q

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& A- O# M8 [" a  \7 g7 r1 KGalapagos Islands, Pacific Ocean
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% l8 p8 ?! v7 K) ZTVBNOW 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 Galapagos Islands are the tops of volcanoes on the sea floor off the coast of South America along the equator. The volcanic activity % J- d: I6 d" z7 f
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.tvb now,tvbnow,bttvb1 {+ g4 }% F/ ]4 O- }* b* S

5 H4 k" |# r2 N3 utvb now,tvbnow,bttvbThe largest island, Isla Isabela, is made of the lava flows of six gently sloped shield volcanoes. The northernmost of Isabela’s volcanoes,
4 s5 H" z7 g8 _, w! H5.39.217.77:8898at 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
8 t2 H4 M2 o4 O4 ~1 y/ X7 a1 _8 y7 satellite in 2001.公仔箱論壇0 q8 u$ M. V% _! s
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" u4 d" h3 O, x" W+ m. ~9 u7 s2 p/ 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。Maldives, Indian OceanTVBNOW 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% c+ n% D9 w' j- R- {, r# ]

* r- q5 g" z) h) U( Z, 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。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+ ]0 Z& a/ A; x# T3 C7 [
the average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.5.39.217.77:8898" J/ W4 K# Y# b8 N+ q

+ z, j0 j! @! k1 \; wtvb now,tvbnow,bttvbThis 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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1 t+ ^+ x+ X: j6 r1 a  `* ttvb now,tvbnow,bttvbHenrietta Island, East Siberian SeaTVBNOW 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。/ u/ {1 B' [( \5 r

  A9 e) [/ [, w8 t; G7 }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 + e& N; `9 J' V' P/ ~
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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* G( A; F& m. N( E6 O8 \4 H% Y) Y# Ctvb now,tvbnow,bttvbTVBNOW 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。, y8 ~! r; v- H4 ~$ s) ?6 u4 q& \2 Z& i
Eleuthera Island, BahamasTVBNOW 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。( V9 S7 u- @" A5 z/ o
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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
1 K+ D% @6 g  V1 \% 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。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。/ `. G, Q: a' |6 l0 F6 U
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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公仔箱論壇- |& W9 d) ]' h( d2 r
is 110 miles long, and in places just over a mile wide. Around 8,000 people live there.tvb now,tvbnow,bttvb8 E  n2 `6 z& E3 M1 {) l0 {, \

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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 ( g9 b( L8 Z. H& S% A
40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite
: O* L  C! H4 t6 U" Mtvb now,tvbnow,bttvbin April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.5.39.217.77:88988 v2 H* q) y6 l! f4 i8 m

0 h0 t" x, f- A- J5.39.217.77:8898
& h4 V+ h( Z3 BTVBNOW 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。5.39.217.77:88985 z8 ]; s# o# F2 u: l. T4 U4 x$ Q
Lesser Sunda Islands, Indonesia! U8 e8 @* p8 q2 Z2 ~4 n4 o) l

  J, k2 Q8 o9 itvb 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
2 |- ]( @& o# r5.39.217.77:8898the 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
$ ~+ M8 ]: D, N. @公仔箱論壇of two tectonic plates. This image was captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA’s Terra satellite in 2000.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 n( G* y$ {3 R
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5 ?5 y% j9 w* f5 e7 b( Z0 Q) U; t! z8 nTVBNOW 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。
5 ]  w4 Y- y6 N# S4 Ltvb now,tvbnow,bttvbHawaiian Islands, Pacific Ocean
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5 m0 e. s$ i( l0 I+ V* V* n  C公仔箱論壇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
5 N7 v' e5 m) R3 m# t( gtvb 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
& B) C2 h' ], }0 r* u" J( o5.39.217.77:8898crust beneath them cooled.公仔箱論壇5 U+ f7 ^6 c) Q! n7 M+ p
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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 公仔箱論壇" Q' d9 V* L' y! z0 I2 T
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
1 t6 s6 {) T5 e9 m9 D! a% g/ |7 g, \/ OMODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Ocean7 [8 y- V- d- r+ L9 P

0 [1 J' h! g- |/ }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。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% I7 f5 ~6 J7 d. G
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
( {: M' i9 ~4 |! o1 n4 Bthe 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
' k6 o" b* p. v$ s/ 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
+ M: C6 R- s+ j/ o3 k) `by the MODIS instrument aboard NASA’s Terra satellite.公仔箱論壇( ^& Z# f3 Q6 L0 O7 p6 {4 ~

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4 D- }( R$ y" zAlejandro Selkirk Island, South Pacific Ocean5.39.217.77:88984 t/ \/ |3 {# j1 B

) j& |  b& }6 RThis 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 S) f& T9 T2 _  h1 P0 Gtvb now,tvbnow,bttvbto 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
3 V: O6 t8 |/ t& k" Ptvb now,tvbnow,bttvbpattern 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 5.39.217.77:8898: o* g1 |& @/ t9 \) a3 `
by the Landsat 7 satellite in 1999.4 _- k9 A; F% e
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( R# t+ ?) y6 M! I# z" K5.39.217.77:8898Millennium Island, Republic of Kiribati, South Pacific Ocean
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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   L9 @0 [/ D* D+ `' C
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 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。& r4 O) i0 U% s7 G/ B
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% ~; j& E- n) D8 Q( qaboard the International Space Station on July 1, 2009.


作者: k23bb    時間: 2009-12-23 01:06 AM

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