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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/ Q. `" Z/ w, N公仔箱論壇Islands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island www2.tvboxnow.com! l, n% Q: M4 h+ @: Q
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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We’ve collected images taken by astronauts and satellites from space of some of the most interesting islands on the planet.0 X: E1 {6 e* O# x# @) K0 q

1 P- O' }8 ]0 ]! @& ]www2.tvboxnow.comAtafu Atoll, Tokelau, Pacific Ocean
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: I2 m3 i! y; O! ?+ A2 }6 q: z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
. O. S4 |9 X  I0 Z9 V2 S% z3 Umiles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory.
2 }7 j+ w" l- O5 u! L6 l% eTVBNOW 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 S2 q* r- n" {3 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。Atafu is made up of coral reefs that surrounded the flanks of a volcano that has since become inactive and submerged. Like many tropical www2.tvboxnow.com$ u/ q3 m: N. C: |# }- \
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.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。  `% g3 p* D! k* g5 u- J. G. |* X2 J/ M

1 e$ A4 z6 M5 q6 j7 W7 Htvb 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。7 @( A: B( k: u# G
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Onekotan Island, Russia
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- b1 n7 A9 ~* B( iAn 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 & [+ y/ D9 Y; u$ i0 A0 J- k; t( b
a caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the
; i# G' w# X, ~; i" l4 }* 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。island at around 4,300 feet.tvb now,tvbnow,bttvb: A' ^! ~! \0 M

" ^. G6 G! y* e5 L2 w( uOnekotan is in Russia’s Kuril Islands between Japan and the tip of the Kamchatka Peninsula. The islands were formed by volcanic activity www2.tvboxnow.com5 Q9 U7 b  A- e
caused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes www2.tvboxnow.com( y' f2 ^. X1 B6 G! y# Z0 u9 z
on Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was
) m+ v9 ]7 N6 a: B- c! Vwww2.tvboxnow.comcaptured 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 Ocean6 m: ]5 g! P, i7 r$ q4 ^1 M

$ z; W: F/ C( ?  gtvb now,tvbnow,bttvbThe Galapagos Islands are the tops of volcanoes on the sea floor off the coast of South America along the equator. The volcanic activity www2.tvboxnow.com" `* @2 G( U) h9 p& G
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,bttvb6 ~% Q0 L2 K1 V
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The largest island, Isla Isabela, is made of the lava flows of six gently sloped shield volcanoes. The northernmost of Isabela’s volcanoes, www2.tvboxnow.com; \' O7 _2 ?' e: z% L- 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 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。- y  b* V) R4 v- Z3 v/ I
7 satellite in 2001.
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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,
  L. r! Q2 B0 D+ D& c3 c  ]) \tvb now,tvbnow,bttvbthe average elevation of which is a little more than 3 feet. It is probably the lowest country in the world./ m2 ?- k7 y# l+ W$ s

9 C8 v- j) g+ C( Ftvb now,tvbnow,bttvbThis 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。6 Y3 J1 y3 O1 Q6 n
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/ b( @  U" l3 T7 U) k0 iHenrietta Island, East Siberian Sea
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5 m! |% S, A1 s9 Z+ P* i% }tvb now,tvbnow,bttvbThis 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 www2.tvboxnow.com, m6 V4 J% u2 W0 j! X# m2 o1 v
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, Bahamaswww2.tvboxnow.com/ t7 m, \- D0 k9 K- V9 W
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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
' S9 i+ B) k2 V% F4 i  l5 W' J  `tvb now,tvbnow,bttvbof coral reefs and deposited in dunes by ocean currents., U- S) l& u! T/ ]: V, l
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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
- l# M# m2 y* [' fwww2.tvboxnow.comis 110 miles long, and in places just over a mile wide. Around 8,000 people live there.
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( z8 U9 S+ E6 s! [+ A4 K5 Ktvb now,tvbnow,bttvbAugustine Volcano, Alaskawww2.tvboxnow.com  T0 O4 u: A3 A4 ~% G7 o: G0 j$ _/ v
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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
+ Q/ G- U2 w3 V* V, U. Z40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite
' d- k# w% f/ L; |! k+ Xin 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, 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
2 N# M: f' _7 ]$ a. n: o/ TTVBNOW 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 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 5 U& e5 E* R* x
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。& d5 B& n  K) l
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) J+ x! Z6 e( s% zHawaiian Islands, Pacific Ocean公仔箱論壇9 n, F2 o9 E, @% k7 f. O: P
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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 公仔箱論壇' l" {: T* i- l( D  I+ O
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
( g2 }8 ^/ Y) I. o$ r) e# 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。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 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。7 O7 j" t( q& \& K# H3 ?
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 tvb now,tvbnow,bttvb# Q4 t" L8 x/ R, ]
MODIS 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,
4 R) c* u/ s7 Z# H/ W) q6 Atvb now,tvbnow,bttvbit 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
3 L2 ~0 L/ l% Z! Q  d& h2 G5 QTVBNOW 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.
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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
* o0 D8 E7 u/ S1 r) S  K/ prest of the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured 公仔箱論壇. ~/ F4 l; v4 }% N/ A
by the MODIS instrument aboard NASA’s Terra satellite.tvb now,tvbnow,bttvb1 G4 X' b4 c0 M
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Alejandro Selkirk Island, South Pacific Ocean公仔箱論壇9 V: `7 n. \& E1 x

! ?0 t# h+ U' mwww2.tvboxnow.comThis 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 ( }. ]# B! W, N% z
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 tvb now,tvbnow,bttvb# i) Z' o% C5 o1 H  v$ o
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
; E+ W# g: e' E- a2 v0 [6 X+ a2 stvb now,tvbnow,bttvbby the Landsat 7 satellite in 1999.公仔箱論壇1 T. \( D% x& d1 e2 ~9 J. ^8 T
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+ j  Q" Q# [& Q公仔箱論壇Millennium Island, Republic of Kiribati, South Pacific Ocean
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, H% ]# ?5 f4 Z% zAlso known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a 5 F% O' n  I6 o* U8 S
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。) e: f( j1 C* {5 G
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 tvb now,tvbnow,bttvb# J' g& ^6 H& g5 A, A2 d& q1 N
aboard the International Space Station on July 1, 2009.


作者: k23bb    時間: 2009-12-23 01:06 AM

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