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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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Islands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island www.tvboxnow.com1 p: q0 e* P# C2 O0 x% y) ?
from its sandy beaches, or a volcanic island from its towering peaks is wonderful, experiencing them from above can be inspiring as well.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。) C9 {6 T$ j9 O" f) @$ v
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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.www.tvboxnow.com# Y+ i* B9 U0 g3 i" o" H

# D9 B* e# i# U( F/ f4 {8 v2 V$ awww.tvboxnow.comAtafu Atoll, Tokelau, Pacific Ocean
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0 s( {; x% w6 j& c: _( B2 FAround 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
, A$ O0 W+ V  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。miles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory.
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# F" v6 S$ o+ x0 e/ t+ ?* q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 公仔箱論壇9 f8 Q, M/ ~# j# B1 R2 }
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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' P2 }" l4 ]& P4 L' R1 E公仔箱論壇Onekotan Island, Russia! h" Y# f* H- `9 s; 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
  N* N& f6 Q  G- I" W8 Cwww.tvboxnow.coma caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the   m0 n7 D) C. z" K
island at around 4,300 feet.
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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
0 E! L/ Z! F3 r. itvb now,tvbnow,bttvbcaused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes www.tvboxnow.com* E6 u6 m- u, u* r& o- ^6 M5 P
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 S- Q; n8 Z4 ~4 A: l7 n
captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009.
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4 L. h; B3 n# P8 P) H0 N* P3 yGalapagos 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 : U1 Y  x5 l9 @! ]3 o) o
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, 公仔箱論壇- i1 I4 T% S  Z  U; T+ l
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
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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7 y) U- C6 f2 s' K' r
the average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.
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; Z0 Z( f, C7 x$ v公仔箱論壇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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- [0 y' t' s3 e" l7 K公仔箱論壇* V5 C; a" D% _% n9 X
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
. _! S0 [* O5 z7 n公仔箱論壇younger sedimentary rocks. This image was taken by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 satellite on April 30, 2009." ]! X! h. e" u

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* ?  p( L2 v. Q3 ?公仔箱論壇Eleuthera Island, Bahamas
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2 C: m5 K) w! M' EThe spectacular underwater formations to the west of Eleuthera Island are made of calcium carbonate sand that has been eroded off
( @6 m5 x% x! |& Vtvb now,tvbnow,bttvbof 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。$ x% t! o, {- P; Q
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This 2002 image was captured by astronauts aboard the International Space Station. Located in the middle of the Bahamas, Eleuthra Islandtvb now,tvbnow,bttvb3 @$ n( }, F8 T6 Y/ _5 s
is 110 miles long, and in places just over a mile wide. Around 8,000 people live there.
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# m( n/ i' l" @& sAugustine 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
' Q/ }% t; C( x  y' p40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite
' D/ w$ j2 ^& Q( r$ ^www.tvboxnow.comin April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.
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$ Q$ m& i* W6 w+ C0 Ytvb now,tvbnow,bttvbLesser 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。  H$ g7 `4 O) R: Q

0 _) Y$ r9 o. z) {; w3 [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
$ z: j6 h" ~3 ]! P2 ^4 otvb now,tvbnow,bttvbthe 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
4 e- G" K3 y2 ?% 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 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# [1 g; }  |* R2 Z5 H8 @! d

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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 tvb now,tvbnow,bttvb8 ~4 b2 i2 U- R8 p  ]3 }
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
1 `# T( k" `+ U% y. W9 F" B$ z. ^www.tvboxnow.comcrust beneath them cooled.) [# w3 x. {6 ?/ W7 ?. h

6 {" O6 @8 j9 v3 o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
8 ^# ]7 N# n5 W; _  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。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 % x! x% i& t4 N1 E% W% u
MODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Ocean公仔箱論壇3 d6 w$ Q" I9 z
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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, 1 ?" V3 o) S6 l
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 www.tvboxnow.com) @- l9 ^& W/ U& y  T
the crust beneath them cooled.; u: ?8 ~: O2 E

; N! m( X% }- o7 {2 R6 N3 Nwww.tvboxnow.comToday, the hotspot is causing active volcanism on the Big Island of Hawaii. Kilauea Volcano has been erupting continuously since 1983. The
6 K" A- a/ S+ L" Hrest of the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured 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  k- b$ q0 X* B' |
by the MODIS instrument aboard NASA’s Terra satellite.
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; u: ?/ R) d8 eAlejandro Selkirk Island, South Pacific Oceanwww.tvboxnow.com9 R7 E4 ~( J; F9 h

, J& x# F' N: \" R6 pThis 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
- q( T+ b* D4 `8 a5 H% Z1 G. oto 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
6 ~9 e" _% M9 Stvb 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
$ `' ^9 C& c1 ]# _5 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。by the Landsat 7 satellite in 1999.
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" f" v3 c# ^' jMillennium 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。8 x3 v" f) Y3 |) g1 s

. R3 F' W0 [; ZAlso known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a
& @2 p; k0 B6 w公仔箱論壇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
! T& F7 A: Z9 ~- u4 y公仔箱論壇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+ t1 H. H' ~: c2 z5 `) @& C
aboard the International Space Station on July 1, 2009.


作者: k23bb    時間: 2009-12-23 01:06 AM

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