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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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3 M/ b4 U9 z5 H. LTVBNOW 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。Islands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island tvb now,tvbnow,bttvb- J2 f8 p+ D9 S
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.5 L+ b* Q5 p2 o+ M% {" I" C

! y, Z: K& x9 K. U8 YAtafu Atoll, Tokelau, Pacific Ocean公仔箱論壇7 O, g0 o' t' D* ?0 ^  R
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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 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。( J% a! L7 {$ T' w* M5 W" }
miles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory.
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& _- c" N  a) ?, Z, R3 j( 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。Atafu is made up of coral reefs that surrounded the flanks of a volcano that has since become inactive and submerged. Like many tropical
" V) f6 I' x. z# vos.tvboxnow.comatolls, 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7 [* \6 {9 k0 G1 e; s) W

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& y! X; z( G1 p9 oOnekotan Island, Russia
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. V7 w$ @2 s3 W0 v  |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。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
2 o$ L" G: `$ o* m$ J  A公仔箱論壇a caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the tvb now,tvbnow,bttvb! [9 i0 \# l( v: `
island at around 4,300 feet.: }0 c% g) Q0 g& q: H* Y  _! o

. E, ?& |9 n" W7 q- d% V3 qOnekotan is in Russia’s Kuril Islands between Japan and the tip of the Kamchatka Peninsula. The islands were formed by volcanic activity tvb now,tvbnow,bttvb8 H7 U$ _6 p; R
caused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes tvb now,tvbnow,bttvb! o9 L( o; b4 \. ~3 t
on Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was & L8 d( \9 Z; ~5 G: F  h  }: ?8 {
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& v2 p2 t* D# t
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; _3 H- s7 w/ ~4 e9 C* ^, R4 F9 pGalapagos 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 公仔箱論壇* Z; N6 G0 _  A6 K0 T( y# x
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, 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 @1 L2 ~: u! A- x8 D
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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4 B6 ~9 {) J' N- Eos.tvboxnow.comMaldives, Indian Oceanos.tvboxnow.com1 A& \7 T( C0 ]3 I8 V1 @) X8 _* ^0 z

+ X# o% l5 T# ]! V! y  M% {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,
. W, S* w  r* v, B2 mtvb now,tvbnow,bttvbthe average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.os.tvboxnow.com7 x( B  O  t7 E+ F+ O2 h6 F
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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.
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% B& \/ b' k9 {: G  ?- p) htvb now,tvbnow,bttvbHenrietta Island, East Siberian Sea* Z$ b! c' r3 ]
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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 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 ?; K+ y# m# t" d/ K  g
younger sedimentary rocks. This image was taken by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 satellite on April 30, 2009.os.tvboxnow.com3 Z, t; m$ f& G% }& f% K3 G

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5 n3 ^3 X# s- L; |os.tvboxnow.comEleuthera Island, Bahamas
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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
+ Q! \4 a1 o8 j  t# n, A6 @7 ?* n, ktvb now,tvbnow,bttvbof coral reefs and deposited in dunes by ocean currents.os.tvboxnow.com! g: H6 R# ^, E
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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
$ x! O7 W# A- E; 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。is 110 miles long, and in places just over a mile wide. Around 8,000 people live there.
! C, H4 w7 |' Q* D7 n公仔箱論壇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+ |0 G& W' |5 e5 b/ ^% |' L3 _
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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 os.tvboxnow.com/ u% t' l) j5 E5 H
40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite
# C8 d+ `  P4 u, d$ _6 j2 ttvb now,tvbnow,bttvbin April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.
% B) j# D+ z/ Z. T9 T  B6 Ios.tvboxnow.com公仔箱論壇7 w3 G+ s% X# v5 A7 V/ l$ U& i

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Lesser Sunda Islands, Indonesia
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& F  f3 ^* T" `, g, u" Jtvb 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
" B; ?4 ^: P0 p+ P; [) `os.tvboxnow.comthe 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,bttvb8 l8 E  ?) R5 ^7 B0 w# Q# r
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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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。( E9 J* C- b1 B, V, u/ I' m
Hawaiian Islands, Pacific Ocean公仔箱論壇. A# r8 k7 V3 D1 q1 a! [+ Q

; r" i+ Q7 v; Q' z$ vtvb now,tvbnow,bttvbThe Hawaiian Islands were formed by an upwelling plume of hot mantle material, called a hotspot. As the Pacific plate moved over the hotspot, it 0 a& Y+ A  L3 T4 H" 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
3 f% w  K% L  w  E. ?crust beneath them cooled.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。- k! v+ L. O+ @0 `

0 D' ]. d4 {! c- T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 . h- `3 A0 ?  K9 Y" 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
/ ?8 j- v, `& r7 ^: ]$ ?4 Y公仔箱論壇MODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Ocean
. ?% F7 j5 e5 t8 Sos.tvboxnow.comTVBNOW 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。, H4 e9 m! y9 k
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 O5 Z6 {# n( |* t5 F3 B, HTVBNOW 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。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
6 `+ z# y0 W/ l8 {6 Jos.tvboxnow.comthe crust beneath them cooled.os.tvboxnow.com8 Z2 U3 X3 O! ^( \
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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 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。8 l2 _5 L+ F6 r4 i- 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 公仔箱論壇+ p8 S8 y/ K8 ?
by the MODIS 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。+ b) L, m0 n7 n4 n+ g
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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
- }2 o  e; f! t$ {- L) btvb 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 tvb now,tvbnow,bttvb# J7 t# @+ ~, S' U  q$ [" e
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 6 C  T! |4 A. Z5 O% _
by the Landsat 7 satellite in 1999.
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Millennium Island, Republic of Kiribati, South Pacific Ocean
6 P7 t# }7 j, r7 @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。
9 A: x2 B8 x8 u4 w. g" yos.tvboxnow.comAlso known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a
3 M7 _5 o0 m/ y0 zcentral 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
8 O7 B5 F3 J' n) i+ T+ 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。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
2 t/ K6 `1 H5 ]2 y4 {1 w  \5 v公仔箱論壇aboard the International Space Station on July 1, 2009.


作者: k23bb    時間: 2009-12-23 01:06 AM

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