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) o, i2 ^: j( F6 e5 Itvb now,tvbnow,bttvbIslands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island 5.39.217.77+ _ l! {7 x/ b, d7 {
from its sandy beaches, or a volcanic island from its towering peaks is wonderful, experiencing them from above can be inspiring as well.
0 |( S& t. z: Z( x( 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。
& { s# W6 a/ g% ~! iWe’ve collected images taken by astronauts and satellites from space of some of the most interesting islands on the planet.4 H8 j& @+ `9 k& Z, J
# Y+ H# L$ q' t I ^4 l8 U公仔箱論壇Atafu Atoll, Tokelau, Pacific Ocean
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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
; d5 S; T- c0 p+ G, _& q5.39.217.77miles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory. _& T5 r7 g; M6 H$ z; b
3 M- N' H$ R0 m0 J* n9 s9 k. j5.39.217.77Atafu is made up of coral reefs that surrounded the flanks of a volcano that has since become inactive and submerged. Like many tropical
6 a( Z0 U7 U9 A# S/ A' ^& N* D" Tatolls, 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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! C. O8 c: I/ W1 }7 p' O) sOnekotan 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 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。- H0 r& b- S, {, j4 K) v
a caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on the 5 W! D9 M0 D5 V4 h3 s' S
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
2 }, x S7 v m% y p& X x/ G }tvb now,tvbnow,bttvbcaused by the subduction of the Pacific Plate beneath the Eurasian Plate. Subduction can also generate some of the largest earthquakes
+ L7 d+ R$ t8 j# b# Y1 z1 z# Non Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was
. D0 W& l% q4 r% }: i% T9 Ctvb now,tvbnow,bttvbcaptured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009.
$ y6 B3 w( x7 H& u3 a& Q- B3 R5.39.217.77
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K x. F5 [# W1 e7 I0 htvb now,tvbnow,bttvbGalapagos Islands, Pacific Ocean% ?; w3 m7 L! P8 k8 {. R, }
4 d0 A, a$ z8 H" C' Z; ~0 UTVBNOW 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 Galapagos Islands are the tops of volcanoes on the sea floor off the coast of South America along the equator. The volcanic activity tvb now,tvbnow,bttvb* E3 g$ L' N2 ~7 i/ j: c1 W
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.
! v+ f. h4 x+ S5.39.217.77
4 n. O t: _$ \% c; N% J+ 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 largest island, Isla Isabela, is made of the lava flows of six gently sloped shield volcanoes. The northernmost of Isabela’s volcanoes, 5.39.217.776 Y+ h% z& T; x5 ]
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 公仔箱論壇' Z# X9 |% V/ t% b6 k" U4 U
7 satellite in 2001.
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3 V8 l; c* u) E6 v+ z- t公仔箱論壇
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4 Q5 K0 {" P. J* a1 {Maldives, Indian Ocean2 a" b! c* D W, k% l3 C- p2 a
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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,
& b- Y* W: z: E% s. z5 o+ r5.39.217.77the 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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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 W& b6 [) _- X& L. H* l7 |
Henrietta Island, East Siberian Seatvb now,tvbnow,bttvb- t1 a6 T$ ~) ]3 i9 G# l4 G7 x
8 i( |7 E9 o6 B: r* d5.39.217.77This 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 5.39.217.77" Z4 W& n3 G$ P ~* ?1 M& M
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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The spectacular underwater formations to the west of Eleuthera Island are made of calcium carbonate sand that has been eroded off
4 R( }" T7 c7 X' @: ?2 R公仔箱論壇of coral reefs and deposited in dunes by ocean currents.tvb now,tvbnow,bttvb5 k" r2 {) h8 a
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This 2002 image was captured by astronauts aboard the International Space Station. Located in the middle of the Bahamas, Eleuthra IslandTVBNOW 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 S1 @+ Y1 @6 _2 w$ `" u
is 110 miles long, and in places just over a mile wide. Around 8,000 people live there." x. R' R% N) P
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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
" V# l: t8 y$ k yTVBNOW 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。40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite 7 r' C- [+ b' J# u# n; E& V
in April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.公仔箱論壇2 x- _; a6 R3 _3 ~; l* H0 Y
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) L6 J. J1 x7 z; K& ftvb 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。 }: t- s* J# L) {
Lesser Sunda Islands, Indonesia5.39.217.77! A) a0 `) `8 f; I w
4 y* F) j3 K' h* R公仔箱論壇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 5.39.217.779 C$ P6 N ]* b4 {8 ~* R0 J, Z Y
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
d) Z/ t6 x3 k' _; Ktvb now,tvbnow,bttvbof 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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Hawaiian Islands, Pacific Ocean
9 k, `1 Q5 N! n" u3 r1 ?- ITVBNOW 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。
, D6 X' ^5 V/ T \& s! nThe Hawaiian Islands were formed by an upwelling plume of hot mantle material, called a hotspot. As the Pacific plate moved over the hotspot, it 5 H- D7 v3 f! v% e
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
0 D# E; e/ L" k' U$ {/ `tvb now,tvbnow,bttvbcrust 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。3 t- [" z% g# d# c' x
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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 , H+ u+ I% q* h9 z6 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
" q7 U4 D% W( {* ^% [0 r5 \tvb now,tvbnow,bttvbMODIS instrument aboard NASA’s Terra satellite.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。3 G: l: N7 U7 \
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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,
2 e% v: u3 z' b6 Y5.39.217.77it 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 公仔箱論壇6 o, W4 Z1 F1 e& ~5 y7 z1 P
the crust beneath them cooled.5.39.217.77+ ]. s; L0 G2 [# R
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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。; f8 {$ L. d9 d' j. X. G
rest of the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured
7 M9 x7 @6 ?( |- b- F( J: t6 U Sby the MODIS instrument aboard NASA’s Terra satellite.
/ ~2 c( y& o: {% K5.39.217.77
9 q: E* I3 u# { k j( y+ rTVBNOW 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。
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. W8 h9 y$ v7 O+ y d5.39.217.77Alejandro Selkirk Island, South Pacific Ocean
, T, m5 n s' K4 S; X, rTVBNOW 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。% m* ~" j% F, Y2 C, B
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 3 d. f& s) q# D6 N; r
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
! X% I5 p* p8 H0 c# p7 L5.39.217.77pattern 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
$ A: ]# w* ^8 d+ z. a5.39.217.77by the Landsat 7 satellite in 1999.
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Millennium Island, Republic of Kiribati, South Pacific Ocean
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* b( a. u: y) {" J- Q* a公仔箱論壇Also known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a
7 @6 x+ v9 L1 \% w4 |& Kcentral 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 5.39.217.77- X. `. k9 W7 ~7 J! ]% O8 I
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 0 p% v. q3 u( G
aboard the International Space Station on July 1, 2009.
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發表於 2009-12-22 09:10 AM
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