返回列表 回復 發帖

Out of the Blue: Islands Seen From Space

) ~& K' b/ l! D" ?

" g- e' H+ F0 v* l$ _Islands are some of the most beautiful, peaceful, violent, desolate and unique places on Earth. While experiencing a tropical island 5.39.217.77:88989 V/ f; N2 q5 a+ |; J& l  l& Z  I/ Z
from its sandy beaches, or a volcanic island from its towering peaks is wonderful, experiencing them from above can be inspiring as well.5.39.217.77:8898$ B* [9 k$ d5 \# l0 d
5 W+ L2 _6 t$ L& z* C
We’ve collected images taken by astronauts and satellites from space of some of the most interesting islands on the planet.tvb now,tvbnow,bttvb* H1 l0 z7 b  ^( v& d7 G3 h& j" J, ]

& A' Z; ]; \' v3 |" Etvb now,tvbnow,bttvbAtafu Atoll, Tokelau, Pacific Ocean
7 j; C- \4 e# Y; Y8 q0 _' Dtvb now,tvbnow,bttvb( ?* _1 R1 v( [2 H& k
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 5.39.217.77:88981 M# f- H/ Y6 P* s, L; R- U# b
miles wide and is the smallest of three atolls in the Tokelau Islands, a New Zealand territory.
6 j: O! g1 p8 c- Z6 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。
5 _! T6 w+ X9 M. O. ^. eAtafu is made up of coral reefs that surrounded the flanks of a volcano that has since become inactive and submerged. Like many tropical
( E& f7 P' m* v+ E8 @) x) ?9 W5.39.217.77:8898atolls, Atafu is very low lying and vulnerable to sea-level rise. This photograph was taken by astronauts aboard the International Space Station in January.# K$ Q) t# ]9 o3 B6 O
5.39.217.77:88980 t, A, J8 \" y) `+ L) K; S, ~
5.39.217.77:8898- z  q' h/ f/ m4 f

, ?$ x% t: T) m% h) wOnekotan Island, Russia
& j2 W  D2 R, _$ ]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。6 ]' P% y! o( x& g, i& @
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。+ C9 A8 N+ U8 T5 x) k. w/ l( h
a caldera that subsequently filled with water. The island inside the caldera is known as Krenitzyn Peak, which is the highest point on 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。2 j. v5 {" s% Y4 l% q; u# i" e0 V
island at around 4,300 feet.
8 o" Z2 {4 e5 r# z
+ M+ J9 m! C/ p" a* z公仔箱論壇Onekotan is in Russia’s Kuril Islands between Japan and the tip of the Kamchatka Peninsula. The islands were formed by volcanic activity $ }5 E% Q9 j, e/ [8 I
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: d' ]1 o! {( V! {9 N
on Earth, including a magnitude 9 here in 1952 which was followed a week later by Krenitzyn’s only historical eruption. This image was
  a: N6 ?" u8 j' ?2 i7 {5.39.217.77:8898captured by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite on June 10, 2009.
  ^  W9 o' u( f/ s5.39.217.77:88985.39.217.77:8898" v$ E6 x* h3 q" V9 B# ]

1 N! C9 n+ \) `4 Z5.39.217.77:8898# h' P: e: R# H. e4 Y0 @- F
Galapagos Islands, Pacific Ocean公仔箱論壇$ a9 _; j0 f8 E6 o+ ?) L0 H9 a

. T+ w5 W$ z1 c3 ^- U1 H, |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。The Galapagos Islands are the tops of volcanoes on the sea floor off the coast of South America along the equator. The volcanic activity 5.39.217.77:8898! G2 ]; ~: b% r1 ~+ U9 Y2 f
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.
) {4 T7 x! M6 Z! W  j" D公仔箱論壇公仔箱論壇* T1 Z6 `4 M5 [1 O  L
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" E# T. s) }3 r( \" E( [) i7 b  G
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
4 t# b* q( W% V. x7 \tvb now,tvbnow,bttvb7 satellite in 2001.
* C/ _0 Y1 X1 K: \1 G9 j% A
) O5 r8 ], b3 O- Ftvb now,tvbnow,bttvb( X8 T/ p( q* h$ U9 B

2 E$ J' M- r" Q9 pMaldives, Indian Ocean
8 j5 k2 n  v9 T' `公仔箱論壇
1 D; I+ V7 C# n8 N7 D% }8 }/ uThe Maldives comprise 1,192 small coral islands adding up to just 115 square miles of territory. About 330,00 people live on the islands, * I/ g3 |  E6 Q
the average elevation of which is a little more than 3 feet. It is probably the lowest country in the world.
! N+ F; _, q! k( f. X  o) X- I) d公仔箱論壇1 w3 t; O. H. E2 I* A
This image of the North and South Malosmadulu Atolls was taken in 2002 by the ASTER instrument aboard NASA’s Terra satellite.
8 ^8 H$ Y) [- |! Jtvb 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。: A7 b) Y1 \; i
) m* N8 X! H0 [3 B8 q
* Y( |4 W4 M- E
Henrietta Island, East Siberian Sea5.39.217.77:88989 X$ U; }# [) s( T
公仔箱論壇. k( F+ e4 k( L0 ?$ H7 k
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
# l- F0 ]( B$ ~! k' }* Q' eyounger sedimentary rocks. This image was taken by the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 satellite on April 30, 2009.$ B  W/ F0 N7 E* s% i( Q; S7 D. b
tvb now,tvbnow,bttvb" D, A  r+ `7 S, o1 e
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。, b3 R6 W& {4 \0 k1 L% F7 p

% `' K4 \7 D1 e% X. DEleuthera Island, Bahamas公仔箱論壇8 N8 W9 p  ]" J- ]

4 q3 h. ]$ h+ T2 [tvb now,tvbnow,bttvbThe 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; L, X7 ~  d; E  x- ?( ?
of coral reefs and deposited in dunes by ocean currents.8 q: ^, C* m0 x9 ]( `; a/ H5 p9 S6 e
, B& ~- w* K" @3 P
This 2002 image was captured by astronauts aboard the International Space Station. Located in the middle of the Bahamas, Eleuthra Island
' Q/ l. R0 `* K) h" I7 W% h9 Uis 110 miles long, and in places just over a mile wide. Around 8,000 people live there.
) k$ ~: b: k! A2 e1 [tvb now,tvbnow,bttvb. s/ J" c9 _! _7 s

3 ]& T& h3 E% P2 |. \
7 K. J' F, E8 ^2 F8 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。Augustine Volcano, Alaska公仔箱論壇8 H( C: E3 W6 {4 j% b- A
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 h8 L1 {/ s2 @1 ]
The most active volcano in Alaska’s Aleutian arc, Augustine Volcano’s biggest historical eruption occurred in 1883. It has been erupting for 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。) t9 u0 G! d) F
40,000 years. This image, captured by The Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA ’s Terra satellite
0 A2 P4 I9 a8 p) {in April 2006, shows a steam or ash plume at the tail end of several months of explosive eruptions.
' P; \3 U" c+ _( t; X1 E, K( ?3 g5 |2 }0 g1 e' a" ]  `: O
2 e* A9 P  A' R

+ k! X, N1 m/ q6 ]& ^5 h3 fLesser 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。8 U. u6 E. r- q' \0 r; W
7 \! G0 t. o- f+ z* a
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
! r$ t% u. g2 B# m! O; r% wthe 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 5.39.217.77:8898# e& {5 U: K0 ?5 P/ e% o
of two tectonic plates. This image was captured by the Advanced Spaceborne Thermal Emission and Reflection Radiometer on NASA’s Terra satellite in 2000.tvb now,tvbnow,bttvb" l4 \" L( S+ U7 L: ?* S8 z+ I' X9 n

) a/ h0 Z6 ^4 `, C5 G* c
* m7 A4 _5 e% \& N公仔箱論壇
" \/ C7 d& J' X公仔箱論壇Hawaiian Islands, Pacific Ocean公仔箱論壇4 H- R6 P7 v6 `% G9 i+ q

" x5 C' d, w! I. W% a  K/ C3 ~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
/ F8 f& c0 Y9 q4 t1 v) Zformed 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 H' ?  Z) H" n/ W' c: }公仔箱論壇crust beneath them cooled.* S; E8 ^, A# r/ H( U4 y9 N
7 B' m, N5 C: F; S
Today, the hotspot is causing active volcanism on the Big Island of Hawaii. Kilauea Volcano has been erupting continuously since 1983. The rest
* z  L3 t# Y" v& n: n- Q* etvb now,tvbnow,bttvbof the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured by the
, f6 Q% b$ _: @+ B2 wMODIS instrument aboard NASA’s Terra satellite.Hawaiian Islands, Pacific Oceantvb now,tvbnow,bttvb, ~  N7 j" m/ t2 b# D) f; S
5.39.217.77:8898' F5 X9 a/ c7 @
The 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  d8 X, ^2 K' h: k/ B2 E/ B, s
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 公仔箱論壇; j- a! j8 ^% v$ i) l: @! O
the crust beneath them cooled.5.39.217.77:88982 q% i+ M+ F2 V( x; H

: a4 d' @; K" ?: f8 \' ?" [- [tvb now,tvbnow,bttvbToday, the hotspot is causing active volcanism on the Big Island of Hawaii. Kilauea Volcano has been erupting continuously since 1983. The
  y; w5 u/ C+ k1 _; O( C8 ^2 s) J4 t5.39.217.77:8898rest of the islands, which get older from right to left, are Maui, Kahoolawe, Lanai, Molokai, Oahu, Kauai and Niihau. This image was captured tvb now,tvbnow,bttvb9 p! {! L; m1 h; @( ~
by the MODIS instrument aboard NASA’s Terra satellite.5.39.217.77:88982 \4 X# M5 {. T! b5 V" h
tvb now,tvbnow,bttvb3 E# u* {2 U! d! ~) 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。4 z8 {4 ]0 A* d7 K5 F! ~8 [
/ n9 y% K0 m( y
Alejandro Selkirk Island, South Pacific Ocean
# H1 V3 e# l* G- F- j4 wTVBNOW 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 ^4 s  L  o$ z9 n5 z0 U9 B- F
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
0 t/ d- W& j* q' `  n公仔箱論壇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
! \7 q: w* {* l7 Z$ Ztvb 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
6 u7 j: V# W/ N; L  Q) |8 Eby the Landsat 7 satellite in 1999.5.39.217.77:8898  U8 @' v2 j' x' R( _" d' y
公仔箱論壇: s  H. F; E; n5 b/ |% x

: ?: E3 S" N9 c5 Q: A- g5.39.217.77:8898TVBNOW 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 E6 ^# ~2 N; ~+ @/ y. g
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。6 f6 P9 q- L- V7 b* ?3 v% k. C
" S! K9 b$ j& |" b0 x
Also known as Caroline Island, Millennium Island is made of coral reefs that grew around a volcano, which is now underwater, leaving behind a
( C" ~6 a% n8 m  N& _( z5.39.217.77:8898central 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 + k9 Y0 m- `7 Y) ?5 u# w
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
: d) x3 t3 ~/ u6 V; I. n; D/ Z公仔箱論壇aboard the International Space Station on July 1, 2009.

1

評分次數

  • k23bb

內容精彩...感謝你的發帖
返回列表