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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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& l2 v$ X7 s" u* z0 x5.39.217.77Islands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island ) c; b* q$ L  h2 E9 I
from its sandy beaches, or a volcanic island from its towering peaks is wonderful, experiencing them from above can be inspiring as well.5.39.217.77$ Q! Z! I: d2 u  p8 \0 C
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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.公仔箱論壇) |% |( A5 z4 C* T& I- M

5 B# |, F2 \$ P" d4 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。Atafu Atoll, Tokelau, Pacific Ocean
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: g' j2 r- H# R) g3 L  F8 ]: B- vtvb now,tvbnow,bttvbAround 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 $ k/ U# j0 }6 p5 L8 E9 m1 h
miles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory.
  b, M8 N9 `' w& a$ U- [$ STVBNOW 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。
+ T& c: \) U- ^& m' G公仔箱論壇Atafu is made up of coral reefs that surrounded the flanks of a volcano that has since become inactive and submerged. Like many tropical
# D; e4 ]! U! ~2 ^  ], ]& r0 u公仔箱論壇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。/ O+ n9 }6 G$ |* G& Z
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 G6 j+ Y$ ?; J( [6 _7 m7 e+ d" D
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Onekotan Island, Russia
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. Z# |. Z& A0 S6 r公仔箱論壇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 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。2 ^. `! h7 @* N; E( _  A$ |
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 ]* {4 R; f: T. L. ^公仔箱論壇island at around 4,300 feet.公仔箱論壇3 A. u4 H  _" o, m" f

: l/ c! V/ a3 A/ Z% g6 N# T% 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。Onekotan 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6 z! f# p, g5 v9 Y, ?/ t5 O5 [
caused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes tvb now,tvbnow,bttvb0 H) [7 _4 R# v( ~7 n7 h$ {% G
on Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was ' Z, ^) f" S9 Q; f7 T$ ?6 O0 y' x
captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009.公仔箱論壇  ]3 x$ ^* {- ^+ s( ~, L) O

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Galapagos Islands, Pacific Ocean
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. Y. C# U% Q" M% K1 E公仔箱論壇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 P) f! ^3 _/ A  r3 _
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.
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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, : ~) C3 {! E0 N& N! d5 I
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
/ q$ @- a! L. Y: Otvb now,tvbnow,bttvb7 satellite in 2001.
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0 m  N' X  @+ b0 ^3 z3 W- r! ^) uMaldives, Indian Ocean: m! o* [4 h9 K! w' f. C

  k: p8 D6 e% r9 }: b5.39.217.77The 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# U# B6 g2 Z" ~9 T/ E$ [; x0 Z" V* J
the average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.& ^' t- k0 m+ U; v+ Z% ]: u4 y

8 U8 I& r. f9 F! X1 e9 }0 O" ?This image of the North and South Malosmadulu Atolls was taken in 2002 by the ASTER instrument aboard NASA’s Terra satellite.5.39.217.770 u' {& X% p9 k8 i4 q

- Y/ E& m5 v* V7 F7 Y4 ~& ^2 K" J  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。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。2 s8 d" |) ]3 N+ @4 r+ w

- y+ Q5 j5 l7 N' a' ^公仔箱論壇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 公仔箱論壇% e/ A: q0 H& Z9 F) 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., g* M3 u5 _, ?# o) I

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9 L! T% M8 G! F/ _& L公仔箱論壇Eleuthera Island, Bahamas公仔箱論壇/ B. b. g" n' A% q4 \, P
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。+ q" |8 o! K9 Q8 X; m* ^2 Q
The spectacular underwater formations to the west of Eleuthera Island are made of calcium carbonate sand that has been eroded off tvb now,tvbnow,bttvb0 x! a* W0 W6 ]6 B, `& W: X8 K
of coral reefs and deposited in dunes by ocean currents.tvb now,tvbnow,bttvb: I: M6 r" R8 Z4 w5 q' Y

3 p8 b& e. t; Q/ M2 @This 2002 image was captured by astronauts aboard the International Space Station. Located in the middle of the Bahamas, Eleuthra Island( O2 J5 p0 R0 }3 A
is 110 miles long, and in places just over a mile wide. Around 8,000 people live there.0 U% ?) @) s: {; P: w
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# N, N' C$ g+ g) M) 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。
8 Y! H# c& ]0 z4 `) D3 Z9 |  ^0 t5.39.217.77Augustine Volcano, AlaskaTVBNOW 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 k# {$ a3 ~8 S  ~6 J
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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
; [6 @6 z2 Z, l6 m( B40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on 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。2 ~$ i2 s' U, O! ]( K$ P7 F/ [
in 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, IndonesiaTVBNOW 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。/ p5 {& l2 B4 S  ^6 |1 o
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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 5.39.217.77+ {% V* x0 A6 x; P9 `# j1 M( I1 F
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 tvb now,tvbnow,bttvb9 d6 @: A4 q" n% B) ~! A9 b
of two tectonic plates. This image was captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA’s Terra satellite in 2000.+ f1 t( h+ U" m% [) _+ B3 _
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Hawaiian Islands, Pacific 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。; k( S/ c" f' o
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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
! L6 p9 p+ ]; @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 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% }: p9 W* O  Q2 ?0 H
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 & @# i7 t4 e/ o2 d
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
' @/ D: A1 B' R: Q0 P* S4 J6 FMODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Ocean
8 K$ l9 @+ X6 o7 s. W* K  M3 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。公仔箱論壇! G# u3 s4 R" F, @
The Hawaiian Islands were formed by an upwelling plume of hot mantle material, called a hotspot. As the Pacific plate moved over the hotspot, tvb now,tvbnow,bttvb+ I# O3 T7 K9 @( h
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
7 J8 B& w$ E, F- Q( i) i% N& ^tvb now,tvbnow,bttvbthe crust beneath them cooled.
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, r7 X' \* b  P  rToday, 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( {% ^) M3 u7 r
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- X1 S9 \& r- z- F
by the MODIS instrument aboard NASA’s Terra satellite.; q/ J& _- n) ^9 m6 [

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Alejandro Selkirk Island, South Pacific Ocean
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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* P% @/ D$ V) p; M
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 公仔箱論壇! i1 N0 g7 E0 L& ?
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 公仔箱論壇# W6 E" H) l7 l* B9 J# h8 c4 p
by the Landsat 7 satellite in 1999.
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Millennium Island, Republic of Kiribati, South Pacific 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- C6 D3 e/ v+ q% N% t
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。* \0 Q$ c5 R" f/ S5 t9 {  m
Also known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a tvb now,tvbnow,bttvb# \! w$ Y9 \1 v, K6 g
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
1 `# f$ u! R6 U# K$ h; jtvb now,tvbnow,bttvbfor guano, though today there are no people and it is among the world’s most pristine tropical islands. This image was taken by astronauts 5.39.217.77+ R0 e+ D; p9 v2 j
aboard the International Space Station on July 1, 2009.


作者: k23bb    時間: 2009-12-23 01:06 AM

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