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96 "哈勃"望远镜带来的宇宙奇观
EXPLORATIONS - September 19, 2001: Space DigestBy Paul Thompson
VOICE ONE:
This is Steve Ember.
VOICE TWO:
And this is Shirley Griffith with the Special English program EXPLORATIONS. Today, we tell about the latest flight of the space shuttle Discovery to the International Space Station. We tell about a new high-flying aircraft. We report about new research into ocean storms. And we tell about new and exciting pictures taken by the Hubble Space Telescope that can be seen on a computer.
((THEME))
VOICE ONE:
Recent pictures taken by the Hubble Space (1)Telescope show a huge area of space where new stars are being born. The Wide Field and (2)Planetary (3)Camera on the space (4)shuttle took the pictures.
The pictures show extremely clearly a cloud of gas and dust called the Thirty-Doradus Nebula1. The cloud surrounds an area of star birth. The pictures show material being (5)exploded into space from groups of stars in the (6)nebula. This group of stars is called R-One-Thirty-Six. It includes some of the largest stars yet discovered.
Scientists say the young hot stars in R-One-Thirty-Six produce intense2 winds and (7)streams of material traveling at several million kilometers an hour. The pictures show an event that took place about two-million years ago.
VOICE TWO:
The huge stars in Thirty-Doradus Nebula are very beautiful even though they are (8)involved in violent activity. The stars look like a group of (9)diamonds that shine a bright blue. They seem to have been dropped into an area of space, like large pieces of blue ice.
These extremely bright stars are surrounded by other stars that are a yellow color and are much less bright. The whole area is surrounded by what looks like thin clouds.
The space telescope (10)image of the Thirty-Doradus Nebula combines five pictures. They were taken between January Nineteen-Ninety-Four and September of Two-Thousand.
VOICE ONE:
The Hubble space telescope has also taken beautiful pictures of a (11)dying3 star in the Calabash Nebula. Stars like the sun in our (12)universe grow very old and die. When this happens they expel4 most of their material as huge amounts of gas and (13)dust.
A team of Spanish and American (14)astronomers used the Hubble telescope to study how the huge amounts of gas from a dying star (15)crash into surrounding material. The pictures show gas in yellow flowing at high speed from a star hidden at the center of the nebula. This yellow stream crashes into surrounding matter shown in blue.
Much of the violence seems to be caused very suddenly when huge amounts of gas from the dying star began speeding up to (16)intense speeds. The scientists who are studying the new pictures say this event took place about eight-hundred years ago.
VOICE TWO:
If you have a computer you can see these beautiful pictures in bright colors. Ask your computer to search the World Wide Web part of the Internet. Enter the name Hubble. That is spelled H-U-B-B-L-E. Or search for NASA's Jet5 (17)Propulsion (18)Laboratory6 by entering the letters, J-P-L.
((MUSIC BRIDGE))
VOICE ONE:
On August Thirteenth, an aircraft without a pilot sent a new record. It reached an (19)altitude of almost thirty-thousand meters. It was flying for about seventeen hours. The aircraft is named Helios. It is controlled from the ground by people using a radio.
Helios was built by the AeroVironment Company of California, with support from the American space (20)agency, NASA. The aircraft looks like a huge wing without a (21)tail. The wing is more than seventy-five meters long. It has fourteen electric motors that each turn a (22)propeller. Sixty-six thousand solar cells that make electricity from sunlight provide the power for the motors. The aircraft can take off only in full sun.
The Helios flying wing is able to fly three times higher than normal airplanes. NASA hopes that some time in the future Helios aircraft will be able to remain at extremely high altitudes for months. They could be used to measure (23)atmospheric conditions. Or they could provide low cost communications links. And, NASA scientists say a Helios flying wing could be used to fly in the thin atmosphere over Mars7.
((MUSIC BRIDGE))
VOICE TWO:
Scientists from NASA's Jet Propulsion Laboratory are learning8 about huge ocean storms. They are flying airplanes carrying new scientific instruments through the storms.
The (24)goal of the experiment is to take the (25)mystery out of ocean storms. The experiment is called the Fourth Convection and (26)Moisture Experiment. The NASA scientists are examining how a storm grows more powerful and how it moves. They are flying airplanes from the United States Naval9 Air Station in Jacksonville, Florida. The two airplanes carrying the new instruments will fly over, through and around storms in the (27)Caribbean Sea, the Gulf10 of Mexico and the Atlantic Ocean.
VOICE ONE:
Bjorn Lambrigtsen is the leader of the research team. He designed an instrument that is used to gather information about the storms. A special aircraft that can fly more than twenty kilometers high carries the instrument.
The (28)instrument looks below and from side to side. It records the temperature of the air, the amount of water in the air, and how the clouds are formed inside the storm. Mister11 Lambrigtsen and his team are on these extremely high flights.
VOICE TWO:
Other scientific teams are using different instruments on an airplane similar to a passenger plane. One instrument measures water in the air as the plane flies through the huge storms.
Other instruments provide information about the amount of heat found in the storm. This information is used to create a map of air temperature at different points. Another instrument on the airplane measures the amount of rain.
NASA began this ocean storm experiment August Sixteenth. It will continue until September Twenty-fourth.
((MUSIC BRIDGE))
VOICE ONE:
On August Twenty-Second, the American Space Shuttle Discovery landed at NASA's Kennedy Space Center. Discovery returned with the second group of crew members of the International Space Station. They had spent one-hundred-sixty-seven days in space.
The returning crewmembers were the (29)commander, Russian cosmonaut Yury Usachev, and two flight (30)engineers, American (31)astronauts Jim Voss and Susan Helms. The three were brought back to Earth in special seats designed to lessen12 the effects of their return to (32)gravity.
VOICE TWO:
The Discovery space shuttle left the members of the third crew of the International Space Station in their new home. These crewmembers are astronaut Frank13 Culbertson, and (33)cosmonauts Vladimir Dezhurov and Mikhail Tyurin.
The Discovery crew also left supplies and equipment at the International Space Station. One piece of equipment is the Leonardo Multi-Purpose (34)Logistics (35)Module14. The Leonardo module can be used several times to carry supplies. It can also be used as a (36)permanent part of the space station. For this flight, twelve special containers of experiments and equipment were inside the Leonardo module.
VOICE ONE:
Discovery also carried into space something called the Student Experiment Module. The module contained ten small experiments designed by students in eleven different schools. These experiments are part of a NASA program to (37)improve education in science, space and space technology.
NASA's space shuttles have been carrying Student Experiment Modules15 for the past five years. More than ten-thousand students have taken part in the project. Both high school and college students design the student experiments.
The space shuttle carried a special experiment designed by students at Mayo High School in Rochester, Minnesota. The (38)purpose of their G-Seven-Eight-Zero experiment is to (39)investigate cell growth in an extreme lack of gravity. The experiment has six growing areas that hold several kinds of seeds.
These experiments are part of the Hitchhiker Experiments Advancing Technology program, known as HEAT. The HEAT program permits students and others to take an active part in the American space shuttle program.
((THEME))
VOICE TWO:
This Special English program was written by Paul Thompson. This is Shirley Grifith.
VOICE ONE:
And this is Steve Ember. Join us again next week for another EXPLORATIONS program in on the Voice of America.
(1) telescope[ 5teliskEup ]n.望远镜v.压缩
(2) planetary[5plAnItrI]n.行星的
(3) camera[ 5kAmErE ]n.照相机
(4) shuttle[ 5FQtl ]n.往返汽车(列车、飞机), 航天飞机, 梭子, 穿梭v.穿梭往返
(5) explode[ iks5plEud ]vt.使爆炸vi.爆炸, 爆发, 破除, 推翻, 激发
(6) nebula[ 5nebjulE ]n.星云, 云翳
(7) stream[ stri:m ]n.溪, 川, 流, 一股, 一串, 河流v.流, 涌, 流注
(8) involve[ in5vClv ]vt.包括, 笼罩, 潜心于, 使陷于
(9) diamond[ 5daiEmEnd ]n.钻石, 菱形
(10) image[ 5imidV ]n.图象, 肖像, 偶像, 形象化的比喻, 极为相象, 映像, 典型vt.想象, 作...的像, 反映, 象征
(11) dying[ 5daiiN ]adj.垂死的
(12) universe[ 5ju:nivE:s ]n.宇宙, 世界, 万物, 领域
(13) dust[ dQst ]n.灰尘, 尘土, 尘埃vt.掸掉...上的灰尘, 撒糖于糕上
(14) astronomer[E5strRnEmE(r)]n.天文学家
(15) crash[ krAF ]n.碰撞, 坠落, 坠毁, 撞击声, 爆裂声v.碰撞, 坠落, 坠毁, (指商业公司, 政府等)破产, 垮台
(16) intense[ in5tens ]adj.强烈的, 剧烈的, 热切的, 热情的, 激烈的
(17) propulsion[ prE5pQlFEn ]n.推进, 推进力
(18) laboratory[ lE5bCrEtEri, 5lAbErEtEri ]n.实验室
(19) altitude[ 5Altitju:d ]n.(尤指海拔)高度, 高处(海拔甚高的地方), (等级, 地位等)高等
(20) agency[ 5eidVEnsi ]n.代理处, 行销处, 代理, 中介
(21) tail[ teil ]n.尾部, 尾巴, 尾状物, 后部, (常用复数)(硬币)反面辫子, 踪迹, 排的长队, 限定继承权adj.在后面的, 从后面而来的, 限定继承的, 尾部的, 后面来的, 后部的vt.为...装尾, 附于其后, 尾随, 跟踪, 使搭牢, 监视, 使架住vi.成为散乱的行列, 跟踪, 嵌入, 船尾搁浅
(22) propeller[ prE5pelE ]n.推进者, 推进物, 尤指轮船, 飞机上的螺旋推进器
(23) atmospheric[ 7AtmEs5ferik ]adj.大气的
(24) goal[ ^Eul ]n.目的, 目标, 守门员, 球门, (球赛等的)得分
(25) mystery[ 5mistEri ]n.神秘, 神秘的事物
(26) moisture[ 5mCistFE ]n.潮湿, 湿气
(27) Caribbean[ kAri5bi(:)En ]n.加勒比海
(28) instrument[ 5instrumEnt ]n.工具, 手段, 器械, 器具, 手段
(29) commander[ kE5mB:ndE ]n.司令官, 指挥官
(30) engineer[ 7endVi5niE ]n.工程师, 技师, 火车司机, 轮机员, 工兵
(31) astronaut[5AstrEnC:t]n.太空人, 宇航员
(32) gravity[ 5^rAviti ]n.地心引力, 重力
(33) cosmonaut[ 5kCzmEunC:t ]n.宇航员, 航天员
(34) logistics[lE5dVIstIks]n.后勤学, 后勤
(35) module[ 5mCdju:l ]n.模数, 模块, 登月舱, 指令舱
(36) permanent[ 5pE:mEnEnt ]adj.永久的, 持久的
(37) improve[ im5pru:v ]v.改善, 改进
(38) purpose[ 5pE:pEs ]n.目的, 意图, 用途, 效果, 决心, 意志vt.打算, 企图, 决心
(39) investigate[ in5vesti^eit ]v.调查, 研究
1 nebula | |
n.星云,喷雾剂 | |
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2 intense | |
adj.认真的,专注的;强烈的;紧张的;热情的 | |
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3 dying | |
adj.垂死的,临终的 | |
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4 expel | |
vt.把...开除,驱逐,放逐,排出,喷出 | |
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5 jet | |
n.喷气发动机,喷气式飞机;v.喷出,喷射 | |
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6 laboratory | |
n.实验室,化验室 | |
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7 Mars | |
n.火星,战争 | |
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8 learning | |
n.学问,学识,学习;动词learn的现在分词 | |
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9 naval | |
adj.海军的,军舰的,船的 | |
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10 gulf | |
n.海湾;深渊,鸿沟;分歧,隔阂 | |
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11 mister | |
n.(略作Mr.全称很少用于书面)先生 | |
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12 lessen | |
vt.减少,减轻;缩小 | |
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13 frank | |
adj.坦白的,直率的,真诚的 | |
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14 module | |
n.组件,模块,模件;(航天器的)舱 | |
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15 modules | |
n.模块( module的名词复数 );单元;(宇宙飞船上各个独立的)舱;组件 | |
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