The Hubble space telescope

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辽宁省大连市中山区2023-2024学年八年级下学期期末考试英语试题及答案

辽宁省大连市中山区2023-2024学年八年级下学期期末考试英语试题及答案

2023—2024学年度第二学期期末质量检测八年级英语(本试卷共70小题满分120分考试时间110分钟)第一部分听力(30分)一、听对话,选择图片。

(共5小题,每小题1分,满分5分)听下面5段小对话,每段对话后有一个问题,从所给的A、B、C三个选项中选出符合题意的图片。

每段对话读两遍。

1. What does Daming collect?A. B. C.2. What has Tony seen?A. B. C.3. What will the weather be like tomorrow?A. B. C.4. Which of the following should Lingling take?A. B. C.5. What is Daming's latest favourite cartoon?A. B. C.二、听对话,选择答案。

(共10小题,每小题1分,满分10分)听下面4段对话。

每段对话后有2个或3个小题,根据你所听到的内容,从A、B、C三个选项中选出正确答案。

每段对话读两遍。

听第一段对话,回答第6 和第7小题。

6. When will the summer camp start?A. On July 7th.B. On July 13th.C. On July 28th.7. Which is the best part of the summer camp?A. Going sightseeing.B. Doing shopping.C. Experiencing American life.听第二段对话,回答第8和第9小题。

8. What is the matter with Steve?A. He's got a cough.B. He's got a toothache.C. He's caught a cold.9. What's Sarah's advice?A. Take a rest.B. Take some exercise.C. Take some medicine.听第三段对话,回答第10到第12小题。

初三英语宇宙探索发现单选题50题

初三英语宇宙探索发现单选题50题

初三英语宇宙探索发现单选题50题1. The Earth is a ______ that orbits around the Sun.A. starB. planetC. satellite答案:B。

本题考查对宇宙天体的基本概念以及相关英语单词的掌握。

选项A“star”指恒星,像太阳就是恒星,而地球不是恒星。

选项B“planet”是行星,地球是围绕太阳公转的行星,符合题意。

选项C“satellite”是卫星,通常是围绕行星转动的天体,地球不是卫星。

2. Which of the following is a natural satellite of the Earth?A. The MoonB. MarsC. Venus答案:A。

本题重点在于对地球的天然卫星这一概念的考查以及相关天体名称的英语表达。

选项A“The Moon”月球是地球的天然卫星。

选项B“Mars”火星是一颗行星,不是地球的卫星。

选项C“Venus”金星也是一颗行星,不是地球的卫星。

3. Stars are huge celestial bodies that can produce their own ______.A. waterB. lightC. air答案:B。

这题考查恒星的特性以及对应的英语单词。

恒星是巨大的天体,它们能够自己产生光。

选项A“water”水,恒星不会产生水。

选项C“air”空气,恒星也不会产生空气,选项B“light”光,符合恒星的特性。

4. Among the following planets, which one is closest to the Sun?A. MercuryB. JupiterC. Neptune答案:A。

本题考查太阳系行星与太阳的距离相关知识以及行星名称的英语。

在太阳系中,水星是距离太阳最近的行星。

选项B“Jupiter”木星距离太阳较远。

选项C“Neptune”海王星是距离太阳非常远的行星。

新外研社高中英语选择性必修四Unit6SpaceAndBeyond-DevelopingIdeas

新外研社高中英语选择性必修四Unit6SpaceAndBeyond-DevelopingIdeas
新外研社高中英语选择性必修四 Unit 6 Space and Beyond Developing Ideas
Reading
What can we see with our eyes in the sky? And what can we see if using a telescope?
It is the first picture that was taken by the most expensive telescope in the world.
Group work:
Give a talk about the quote.
The more we know, the more we feel our ignorance; the more we feel how much remains unknown.
Humphry Davy
1 Talk about the meaning of Humphry Davy’s quote and whether you agree with it.
2 Organise your ideas by completing the notes.
Point of view Arguments Supporting examples
3 Share your ideas with the class.
Self -assessment
1、I am able to talk about the development 1. 2.
Prediction
1. Match the images taken by the Hubble Space Telescope to their nicknames. Predict what the passage is about.

介绍太空探索英语作文

介绍太空探索英语作文

介绍太空探索英语作文Space exploration has been a fascinating topic for many and it is a field that continues to grow and evolve with each passing year. Here is an essay on space exploration that you might find interestingTitle The Wonders of Space ExplorationSpace exploration is a field that has captured the imagination of people all around the world. From the first human landing on the moon to the ongoing search for extraterrestrial life the mysteries of the cosmos have always been a source of intrigue and wonder. This essay will delve into the various aspects of space exploration including its history current missions and the potential future of this exciting field.The History of Space ExplorationThe journey into space began in the early 20th century with the development of rocket technology. The Soviet Union made history in 1957 by launching the first artificial satellite Sputnik 1 into orbit. This was followed by the United States first successful satellite launch Explorer 1 in 1958. The race to space intensified culminating in the historic Apollo 11 mission in 1969 where Neil Armstrong and Buzz Aldrin became the first humans to set foot on the moon.Current Missions and AchievementsToday space exploration is no longer limited to the moon. Various space agencies and private companies are working on a range of missions. NASAs Mars Rover missions have been instrumental in gathering data about the red planets geology and potential for past life. The Hubble Space Telescope has provided us with breathtaking images of distant galaxies and nebulae expanding our understanding of the universe.The International Space Station ISSOne of the most significant collaborative efforts in space exploration is the ISS. This space station orbits Earth and serves as a research laboratory for scientists from around the world. It has been continuously occupied since November 2000 and has facilitated numerous scientific experiments including those related to human health and the effects of longterm space travel.The Search for Extraterrestrial LifeThe quest to find extraterrestrial life is another exciting aspect of space exploration. Missions like the Kepler Space Telescope have identified thousands of exoplanets some of which are in the habitable zones of their stars. The search for microbial life within our solar system particularly on Mars and the icy moons of Jupiter and Saturn is ongoing.The Future of Space ExplorationLooking ahead space exploration is poised to make even greater strides. Plans for manned missions to Mars the establishment of lunar bases and the potential for space tourism are all on the horizon. The development of new technologies such as reusable rockets and advanced propulsion systems will make space travel more efficient and accessible. ConclusionSpace exploration is not just about scientific discovery it is about pushing the boundaries of human knowledge and capability. It inspires generations to dream big and strive for a future where the stars are within our reach. As we continue to explore the cosmos we learn more about our place in the universe and the potential for life beyond Earth.This essay has provided a brief overview of the captivating world of space exploration highlighting its historical milestones current endeavors and the promising future that lies ahead. The cosmos holds endless possibilities and our journey to uncover its secrets is both thrilling and essential to our understanding of the universe.。

介绍不同科学实验和发明的英文名称

介绍不同科学实验和发明的英文名称

介绍不同科学实验和发明的英文名称IntroductionScience experiments and inventions play a crucial role in advancing our understanding of the world and improving our daily lives. In this article, we will explore various scientific experiments and inventions and provide their corresponding English names. These experiments and inventions have made significant contributions to different fields of study, ranging from physics to biology to chemistry. Let's dive into the fascinating world of science and innovation!1. The Double-Slit Experiment (Young's Experiment)The double-slit experiment, also known as Young's experiment, is a fundamental concept in physics that demonstrates the wave-particle duality of light and matter. It involves passing a beam of light or particles through two closely spaced slits to observe the interference pattern formed on a screen. This experiment provides insight into the behavior of light and the nature of quantum mechanics.2. The Millikan Oil Drop ExperimentThe Millikan oil drop experiment, named after physicist Robert A. Millikan, determined the fundamental unit of electric charge, known as the elementary charge (e). It involved suspending tiny oil droplets in a chamber with an electric field and measuring their rates of fall. By balancing gravitational and electrical forces, Millikan was able to calculate the charge on individual oil droplets, providing an accurate measurement of the elementary charge.3. The Voltaic Pile (Galvanic Cell)The Voltaic pile, invented by Alessandro Volta, is an early form of electric battery and a forerunner of modern-day batteries. It consisted of alternating metal discs separated by cardboard soaked in saltwater. The Voltaic pile demonstrated the production of continuous electrical current through chemical reactions, paving the way for the development of various electrical devices and systems.4. The Human Genome ProjectThe Human Genome Project was an international scientific research endeavor that aimed to map and sequence all human genes, determining the complete DNA sequence of the human genome. This ambitious project provided valuable insights into human genetics, leading to improved understanding and developments in genomics, personalized medicine, and genetic engineering.5. The Polymerase Chain Reaction (PCR)The Polymerase Chain Reaction (PCR) is a revolutionary laboratory technique used to amplify a specific segment of DNA. It enables the production of millions of copies of a DNA fragment, even from a minuscule starting amount. PCR revolutionized genetic research, medical diagnostics, and forensic science applications and played a significant role in the understanding and treatment of genetic diseases.6. The Manhattan ProjectThe Manhattan Project was a research project during World War II that led to the development of the atomic bomb. It involved scientists fromvarious countries working together in secret to harness nuclear fission for military purposes. The successful creation of the atomic bomb during this project forever changed the course of warfare and resulted in the end of the war.7. The Hubble Space TelescopeThe Hubble Space Telescope, named after astronomer Edwin Hubble, is a space-based observatory that has provided unprecedented images of distant galaxies, stars, and other celestial objects. It has played a pivotal role in expanding our understanding of the universe, capturing breathtaking images that have inspired generations and contributed significantly to astronomical research.8. The Polio Vaccine (inactivated and oral)The development of the polio vaccine is considered one of the greatest achievements in modern medicine. The inactivated polio vaccine (IPV), developed by Jonas Salk, and the oral polio vaccine (OPV), developed by Albert Sabin, have effectively controlled and nearly eradicated polio worldwide. These vaccines have saved countless lives and serve as a testament to the power of scientific research and collaboration.ConclusionScience experiments and inventions have transformed our world by unraveling the mysteries of nature and propelling technological advancements. From pioneering experiments like the double-slit experiment and Millikan oil drop experiment to revolutionary inventions such as the Hubble Space Telescope and polio vaccine, these achievements havereshaped our understanding of the universe and impacted humanity on a global scale. By recognizing and appreciating these scientific endeavors, we can foster a deeper appreciation for the wonders of science and inspire future generations of scientists and innovators.。

好奇探索星秘多的英语作文

好奇探索星秘多的英语作文

Curiosity has always been a driving force behind human exploration and discovery. It is this innate desire to learn and uncover the mysteries of the universe that has led us to where we are today.In this essay,I will delve into the importance of curiosity and how it has shaped our understanding of the cosmos.Firstly,curiosity has been the catalyst for many scientific breakthroughs.From the moment humans first looked up at the stars and wondered what lay beyond,we have been on a relentless pursuit of knowledge.The invention of the telescope,for instance,allowed us to observe celestial bodies in greater detail,leading to the discovery of new planets and the understanding of our place in the universe.Secondly,curiosity has fueled space exploration.The Apollo missions,which put humans on the moon for the first time,were a testament to our insatiable desire to explore the unknown.The images and data collected from these missions not only expanded our knowledge of the moon but also provided insights into the formation of our solar system.Moreover,curiosity has led to the development of various space probes and telescopes that have revolutionized our understanding of the cosmos.The Hubble Space Telescope, for example,has provided us with stunning images of distant galaxies and nebulae, revealing the vastness and complexity of the universe.Furthermore,curiosity has also played a significant role in the search for extraterrestrial life.The discovery of potentially habitable exoplanets has sparked a renewed interest in the possibility of life beyond our planet.This has led to the development of advanced instruments and missions aimed at detecting signs of life on these distant worlds.However,curiosity also comes with its challenges.The pursuit of knowledge can sometimes lead to ethical dilemmas,such as the potential impact of our exploration on other life forms or the environment.It is crucial that we balance our desire for discovery with a responsible approach to exploration.In conclusion,curiosity has been a fundamental aspect of human nature and has significantly contributed to our understanding of the universe.It has led to groundbreaking discoveries,the development of advanced technology,and the expansion of our horizons.As we continue to explore the cosmos,it is essential that we do so with a sense of wonder and a commitment to responsible exploration.。

山东春考2023年英语考试真题

山东春考2023年英语考试真题Shandong Spring Test 2023 English ExamPart A: Reading Comprehension (40 points)Section 1: Multiple Choice Questions (10 points)Directions: Read the following passage and choose the best answer for each question.Astronomy is the scientific study of celestial bodies such as stars, planets, comets, and galaxies. Ancient civilizations have long looked to the stars for guidance, creating myths and legends around these celestial bodies. Today, astronomy is a respected field of science with many advancements being made in our understanding of the universe.1. What is astronomy?A. The study of Earth's atmosphereB. The study of celestial bodiesC. The study of microscopic organismsD. The study of ancient civilizations2. Why have ancient civilizations looked to the stars?A. For guidanceB. For entertainmentC. For farming purposesD. For medical cures3. Which celestial bodies are included in the study of astronomy?A. Plants and animalsB. Lakes and riversC. Stars and galaxiesD. Mountains and valleys4. What is the current status of astronomy?A. It is a dying fieldB. It is not respectedC. It is a respected scientific fieldD. It is a form of entertainment5. What have advancements in astronomy helped us to understand?A. The Earth is flatB. The Sun revolves around the EarthC. The universe and celestial bodiesD. There are no other planets in the universeSection 2: True or False Questions (10 points)Directions: Read the following passage and mark whether the statements are true (T) or false (F).Astronomy is a very new science that only began in the last century. Many ancient civilizations believed that the Earth was the center of the universe and that the Sun revolved around it. Today, we know that this is not true, thanks to advancements in astronomy that have helped us to understand the vastness of the universe.6. Astronomy is a new science.7. Ancient civilizations believed that the Earth was the center of the universe.8. The Sun revolves around the Earth.9. Advancements in astronomy have helped us to understand the universe better.10. The universe is limited and has no other planets besides Earth.Section 3: Short Answer Questions (20 points)Directions: Read the following passage and answer the questions in complete sentences.The Hubble Space Telescope is a powerful tool that has helped astronomers to study the universe in ways that were never before possible. Launched into space in 1990, the telescope orbits the Earth, capturing images of distant stars and galaxies. Through the data collected by the Hubble Space Telescope, scientists have been able to learn more about the origins of the universe and how galaxies form and evolve over time.11. What is the Hubble Space Telescope?12. When was the Hubble Space Telescope launched?13. What does the Hubble Space Telescope capture images of?14. How has the Hubble Space Telescope helped scientists in their study of the universe?15. What have scientists learned from the data collected by the Hubble Space Telescope?Part B: Writing (60 points)Section 1: Composition (30 points)Directions: Write an essay of at least 300 words on the following topic.The Importance of Space ExplorationSpace exploration has long been a topic of interest for scientists and the general public. Discuss the importance of space exploration and how it has contributed to our understanding of the universe. Include examples of significant discoveries made through space exploration and how they have impacted our daily lives.Section 2: Vocabulary and Grammar (30 points)Directions: Complete the following exercises based on the given words and grammar rules.1. Use the word "discovery" in a sentence.2. Correct the following sentence: "Many astronomical are job opportunities available for those interested in space."3. Write the comparative form of the adjective "far."4. Change the following sentence from active voice to passive voice: "Scientists discovered a new planet orbiting a distant star."5. Choose the correct verb tense for the following sentence: "She ________ (study) astronomy for three years now."This is the end of the Shandong Spring Test 2023 English Exam. Good luck!。

高一年级英语天文知识单选题40题

高一年级英语天文知识单选题40题1. Which planet is known as the "Red Planet" because of its reddish appearance?A. EarthB. MarsC. JupiterD. Venus答案:B。

解析:在太阳系中,火星(Mars)因为其表面呈现出红色的外观而被称为“Red Planet( 红色星球)”。

地球(Earth)是我们居住的蓝色星球;木星(Jupiter)是一个巨大的气态行星,外观不是红色;金星 Venus)表面被浓厚的大气层覆盖,不是以红色外观著称。

2. Which planet has the most moons in the solar system?A. EarthB. MarsC. JupiterD. Mercury答案:C。

解析:木星(Jupiter)是太阳系中拥有最多卫星(moons)的行星。

地球(Earth)只有一颗卫星;火星(Mars)有两颗卫星;水星 Mercury)没有卫星。

3. The planet with the shortest orbit around the Sun is _.A. MercuryB. VenusC. EarthD. Mars答案:A。

解析:水星(Mercury)是距离太阳最近的行星,它的公转轨道是最短的。

金星 Venus)、地球 Earth)、火星 Mars)距离太阳比水星远,它们的公转轨道都比水星长。

4. Which planet has a thick atmosphere mainly composed of carbon dioxide?A. EarthB. MarsC. VenusD. Jupiter答案:C。

解析:金星(Venus)有一层非常厚的大气层,其主要成分是二氧化碳 carbon dioxide)。

地球 Earth)的大气层主要由氮气和氧气等组成;火星(Mars)大气层很稀薄,主要成分虽然有二氧化碳但比例和金星不同;木星(Jupiter)的大气层主要由氢和氦等组成。

小学下册第十四次英语第6单元测验卷[有答案]

小学下册英语第6单元测验卷[有答案]英语试题一、综合题(本题有50小题,每小题1分,共100分.每小题不选、错误,均不给分)1 A ferret is very ________________ (好奇).2 The Hubble Space Telescope has provided many stunning images of _______.3 The giraffe has a long _______ (脖子) to reach leaves.4 The ________ (光合作用) process is vital.5 The _____ (叶) changes color in the fall.6 He is flying a ___. (kite)7 What is the name of the famous landmark in Paris?A. Big BenB. ColosseumC. Eiffel TowerD. Statue of Liberty8 A __________ is a mixture that can be separated by filtration.9 We go to school by ________ (自行车).10 A _____ (植物资源利用) can promote sustainability.11 I got a new ________ for my birthday.12 What is the name of the plant that produces coffee?A. TeaB. CocoaC. Coffee beanD. Spice答案:C13 The Earth's interior is made up of solid and ______ materials.14 A _____ (植物适应性训练) can prepare plants for environmental changes.15 A ______ (温室) can help plants grow in winter.16 We are going to the ________ today.17 Minerals have specific ______ that help identify them.18 The firework show is ______ (amazing) to watch.19 My grandpa tells me . (我爷爷给我讲。

译林版高中英语选必三Unit2 Grammar and usage 教案(雅礼版)

Unit 2 Out of this worldGrammar and usage: Subject clauses◆内容分析:本板块围绕单元话题,引导学生在有关“天文望远镜的使用”的语篇中观察、探究主语从句的使用,归纳出核心规则;再通过句子、语篇两个层面的巩固练习让学生内化相关知识;最后让他们运用所学,准确、恰当、得体地使用目标语法,完成预测太空探索发展的写作任务,实现“形式—意义—使用”的统一。

◆教学目标:By the end of this section, students will be able to:1.identify the use of subject clauses;2.work out the rules of subject clauses;e subject clauses to finish the tasks;4.write down the prediction about the development of space exploration using subject clauses.◆教学重难点:1.To identify the usage of subject clauses;2.To use the subject clauses correctly and properly;◆教学过程:Step 1 Lead-inWhat is the Hubble Space Telescope?What is FAST?Hubble Space TelescopeFASTWhat is the Hubble Space Telescope?The Hubble Space Telescope is the largest astronomical telescope ever sent into space. It was launched in 1990.The telescope is to provide astronomers with fascinating new information on the state of the universe. Some of its breakthroughs include the discovery of the unexplained phenomenon of dark energy, evidence of black holes and observations of stars in the last stages of their lives.What is FAST?Step 2 Exploring the rulesAnswers:1. The Hubble Space Telescope2. To see further than ground-based telescopes; to play a crucial role in the discovery of the mysterious dark energy.3. In 20094. To search for Earth-size planets orbiting other stars.5. In recent years6. FASTFind the sentences with subject clauses in the article and fill in the box of part A on page 20.That Hubble is based in space allows it to see further than ground-based telescopes, ...It is clear that telescopes are crucial tools for space exploration and that ...How much we will learn from the telescopes is merely limited by our imagination. Useful Expressions重大突破major breakthrough基于地面的ground-based扮演关键角色play a crucial role环绕其它恒星orbit other stars迹象是光明的signs are promising也开发先进的望远镜develop advanced telescopes as well创造性的innovative单口径射电望远镜the single-dish radio telescope极端灵敏extraordinary sensibility发现交流信号detect communication signals重要工具crucial tools仅仅被想象所限制be merely limited by imaginationStep 3 Working out the rulesWe can use a noun clause as the subject of a sentence. We can use (1) ________ to introduce a subject clause when the clause is a statement. We can use (2) _________ to introduce a subject clause when the clause is a yes-no question. We can use a question word to introduce a subject clause when the clause is a wh-question.We often use (3) ________ as the preparatory subject when a subject is very long.1.that2. whether3. itGo through the grammar notes on page 95.Step 4 Applying the rulesB1 Circle the mistake and correct them in the blanks.1. The space mission went so well was beyond our expectation.That the space mission went so well was beyond our expectations.2. Whether they are able to grow more vegetables in space depend on how much time it takes.Whether they are able to grow more vegetables in space depends on how much time it takes.3. It was not clear how long he will stay on the space station.It was not clear how long he would stay on the space station.4. What the lunar probe did not land was a worry for the people back on the earth. That the lunar probe did not land was a worry for the people back on the earth.5. That makes the Chinese people happy is that China has successfully launched a space rocket.What makes the Chinese people happy is that China has successfully launched a space rocket.B2 The passage below is about the Chinese Lunar Exploration Program. Complete the passage with the correct subject clauses in the box below. There is one clause you do NOT need to use. Write the letters in the blanks.The Chinese Lunar Exploration Program is also known as the Chang’e Program. Run by the China National Space Administration, China’s space agency, it comprise sthree stages: orbiting, landing and returning.The program’s first spacecraft, Chang’e 1 lunar orbiter, was launched in October 2007. It successfully orbited and scanned the Moon. (1) ______ was that Chang’e 2 reached the Moon within just five days. With better techniques and equipment, Chang’e 2 completed a more detailed scan of the Moon before heading into deep space. The success of the two spacecraft showed the world how far Chinese exploration had come. It was evident (2) ________.December 2013 witne ssed the Chinese spacecraft’s first soft landing on the Moon. The landing of Chang’e 3 proved to be a success and (3) _______ was plain to see. In January 2019, Chang’e 4 succeeded in landing on the far side of the Moon. In December 2020, Chang’e 5 success fully collected and returned lunar samples. China has successfully completed the three stages of the program. However, (4) _______ is anybody’s guess.a how it laid the foundation for future explorationb that the data gathered by them provided valuable informationc what advances China will make in the futured why China is one of the world leaders in space exploratione What amazed the whole nation in October 2010Answers: 1. e 2, b 3. a 4. c1.In October 20072.It successfully orbited and scanned the Moon.3.In October 20104.It completed a more detailed scan of the Moon.5.In December 20136.It landed on the Moon.7.In January 20198.It succeeded in landing on the far side of the Moon.9.In December 202010.I t successfully collected and returned lunar samples.Useful Expressions on page 21超出我们预料beyond our expectations月球车lunar probe包括三个阶段comprise three stages绕,落,回orbiting, landing and returning显而易见It is evident that...谁也说不准的事anybody’s guessStep 5 WritingB3 Write down your prediction about the development of space exploration, using subject clauses.Possible answerIt is clear that many exciting things will happen in the development of space exploration in the future. I think manned space missions to Mars will happen in my lifetime and a permanent base on Mars will also be established. Hopefully, new energy sources will be developed, which will make space flight cheaper and faster. But how soon and how far we advance in developing the required technology to do so depends on the collaboration(合作) between the many countries around the world. It is possible that the technology will be available before 2040 and I am looking forward to that.Step 6 HomeworkFinish exercise C on P64教学反思。

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• 它的位置在地球的大气层之上,因此影像不会受到大气湍 流的扰动,视相度绝佳又没有大气散射造成的背景光,还 能观测会被臭氧层吸收的紫外线
Successful launch in 1990, it made up for the inadequacy of the ground observation, helping astronomers solve many of the basic problem in the history of astronomy, makes the human to astrophysics have more understanding. Is one of the most important instrument in astronomy.
它于1990年成功发射,弥补了地面观测的不足, 帮助天文学家解决了许多天文学上的基本问题, 使得人类对天文物理有更多的认识。是天文史上 最重要的仪器之一。
• In November 2011, with the aid of the Hubble space telescope, astronomers first filmed around black holes exist distant plate structure. • 2011年11月,借助哈勃空间望远镜,天文 学家们首次拍摄到围绕遥远黑洞存在的盘 状构造。
The Hubble space telescope
• Foreign names • The Hubble Space Telescope • named • The astronomer Edwin Hubble
• The Hubble Space Telescope, is named after the astronomer Edwin Hubble, a Telescope in orbit around the earth
哈勃空间望远镜,是以天文学家爱德温· 哈勃为名,n the earth's atmosphere, so the image was not influenced by the atmospheric turbulence disturbance, depending on the degree of perfect and not caused by the atmospheric scattering background light, also to see ultraviolet light will be absorbed by the ozone layer
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