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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 5.39.217.77:88984 u% i5 P4 U% ~  X8 K- ^/ {1 V& M
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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& @1 ?) l9 I5 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。We’ve collected images taken by astronauts and satellites from space of some of the most interesting islands on the planet.7 b$ `% o+ [, j2 H# O
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Atafu Atoll, Tokelau, Pacific Ocean
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8 X3 Y0 S; g8 q5 f) hAround 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
! P$ o8 R+ c1 {, c+ f8 x( e公仔箱論壇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 公仔箱論壇0 d$ {6 R+ w) ]! X
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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Onekotan Island, Russia
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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 tvb now,tvbnow,bttvb% K, w+ r% R1 S
a caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the 公仔箱論壇, y5 _- r( P8 f5 ]+ C/ k- d( l
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
* c/ Q( {4 X; L; I4 R& k9 gcaused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes
4 `6 h: Y, {' R" @7 ?; z! L# M- I. ]tvb now,tvbnow,bttvbon Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was 4 I, w5 g3 X0 E1 }6 S9 [' {0 c
captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009.2 s& L3 k) Q& ^& J

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$ A6 x! A' A! }1 }' bGalapagos Islands, Pacific Ocean
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$ ~$ O4 V1 d/ `4 r* Q0 j6 U5.39.217.77:8898The 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) Z6 m: E) K# f' E1 \
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,
7 K# M# H( R2 G! fat 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 , J- K% U; F- z2 c
7 satellite in 2001." z) }* E/ J4 A+ L
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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,
* @$ M/ h" \/ |: D3 tthe average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.
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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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3 w* ~% A) R% f8 V% \  Q; L( D( zHenrietta 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 + s! P+ c/ U" i/ }
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, Bahamas
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/ J+ k0 M% h! }( s: ?4 x4 D( i5.39.217.77:8898The spectacular underwater formations to the west of Eleuthera Island are made of calcium carbonate sand that has been eroded off 公仔箱論壇# _9 p2 ?. z- D7 ^" s
of coral reefs and deposited in dunes by ocean currents.
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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
# E+ g- X6 @5 `: \tvb now,tvbnow,bttvbis 110 miles long, and in places just over a mile wide. Around 8,000 people live there.
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1 ?0 [1 }( u! k8 Z% r5 gAugustine Volcano, Alaska4 j8 N. Y. b, l8 Z; D; o1 V3 G) [5 B
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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 公仔箱論壇) Y5 p3 E: a0 @5 t/ C- x: _
40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite 5.39.217.77:8898- D% D# j. @! M; c* ^# L
in April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.
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; a9 G! x, J/ Y+ I. q' bLesser Sunda Islands, Indonesia9 t! Y: ~. N9 W. v1 |; \
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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
. }4 w1 o& p" g7 @) {) \' 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。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 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 p. G% R3 I6 Q; T9 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.
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5 a6 U8 Z' g- MTVBNOW 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。Hawaiian Islands, Pacific Ocean4 }2 P9 r5 t6 J) n0 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
  D7 O  ^) d" G3 `3 F. i. \" [公仔箱論壇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
4 Y* P6 r- t$ |5 g公仔箱論壇crust beneath them cooled.tvb now,tvbnow,bttvb2 n9 Y9 C# Q) y5 J6 i# d

6 e% v. e- i! |0 D7 ^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。1 T" x0 X2 Z( `" u6 H. M
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
( L7 M  ~$ I6 f% K7 ?; O3 g5.39.217.77:8898MODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Ocean公仔箱論壇7 e: {# s! L5 a0 P9 D/ q# @6 k

# u" S6 i& }: v, z3 gThe Hawaiian Islands were formed by an upwelling plume of hot mantle material, called a hotspot. As the Pacific plate moved over the hotspot, 5.39.217.77:8898, {0 E* ~" R6 `# K9 Y1 `$ @. w
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
1 l$ @* a8 O# g' g7 C, p) Q: ?公仔箱論壇the crust beneath them cooled.tvb now,tvbnow,bttvb+ \- j* F* T$ c! P

6 P% e6 W) o. N8 o( J" HToday, the hotspot is causing active volcanism on the Big Island of Hawaii. Kilauea Volcano has been erupting continuously since 1983. The $ ~# a9 H% g* [' b8 w
rest of the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured
! b5 d. {( R% K5 Y公仔箱論壇by the MODIS instrument aboard NASA’s Terra satellite.tvb now,tvbnow,bttvb1 A' O7 s" ]! I; D8 p8 B. D9 R/ P# j
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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 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 j2 i2 Y8 G- K0 L
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
5 K' l5 b$ v- T: @7 H% Utvb 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 ; `7 S- w7 T2 a8 S5 s
by the Landsat 7 satellite in 1999.
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, D- Y" R2 I$ P% O* p  ]3 l. RMillennium Island, Republic of Kiribati, South Pacific Ocean
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: g" w# |5 g8 x) Z4 R$ n( r5.39.217.77:8898Also known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a
4 s! `9 f5 i6 T3 q. MTVBNOW 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。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
2 Z$ \" M  D; p) c+ Jfor guano, though today there are no people and it is among the world’s most pristine tropical islands. This image was taken by astronauts 公仔箱論壇' L% W! d. q% b+ l% P* Y: t. p
aboard the International Space Station on July 1, 2009.

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