人类为什么要探索太空英语作文
人类为什么要探索太空英语作文 人类为什么要探索太空英语作文，作文是从内部言语向外部言语的过渡，作文切忌浮夸，立足于个人真实的情感体验，这是写作的一个基本标准。下面是人类为什么要探索太空英语作文。 人类为什么要探索太空英语作文1 Man has been fascinated by outer space for thousands of years, It has been almost over forty years since man’ s first landing on the moon. Now, some people believe that space exploration is a sheer waste of time and money. They point out the thct that it cost billions of dollars to can3’ on the space research, but a little infrmation was brought back. In addition, the time and money spent on space exploration is too much to calculate. However, every coin has two sides. There are still a majority of other people who believe that space exploration has more advantages. And I agree with those people. Many new products, such as weather and munication satellites, are also products of space programs, and they have benefitted people all over the world. And what’ s more. scientific knowledge about outer space has been acquired by the mankind. We benefited a lot from space exploration. We believed that it will bring more benefits in the future, which perhaps we can not even imagine now’. Space exploration is a challenge to human beings. That’ s why several nations try hard to carry out space exploration continuously. 几千年来，人类一直着迷于太空,这距人类第一次登上月球已超过四十年了。现在,有些人认为空间探索完全是浪费时间和金钱。他们指出的它花费数十亿美元用于太空研究,但收获甚微。此外,时间和金钱花费在太空探索计算太多了。 然而,事物都是一分为二的.。仍有大多数人认为太空探索有更多优势。我同意这些人的观点。许多新产品,如气象、通信卫星,也是空间的产品项目,世界各地的人们受益。和更重要的.。人类获得了关于外太空的科学知识。 我们从太空探索中受益很多。我们相信它会带来更多的利益在未来,或许我们现在无法想象的。太空探索是对人类的挑战。这就是为什么一些国家不断努力进行太空探索。 人类为什么要探索太空英语作文2 almost everyday we may see something in the newspaper or on tv about the latest exciting developments in space exploration. there is an immense pride in our science and technology and a sense of its importance for the welfare of mankind. not everyone , however, shares this feeling. ever since space research began, it has been criticized as a huge waste of money and other resources, which might be used to help to relieve the suffering of the earth’s starving millions. it has also been felt that the space program might lead to the total destruction of the earth. despite these disadvantages and potential dangers, the advantages are far greater. we have already succeeded in using satellites for communications, weather forecast and oil exploration and with further space research, more problems we are having now can be solved. for instance, with the success of space shuttles and the feasibility of living in other planets, we may solve the population problem on the earth. space projects will also enable us to find a few chemical elements to cure presently incurable diseases. space exploration contributes not only to the improvement of the quality of human life, but also to our understanding of the interdependence of all beings; and therefore, of the need to take better care of each other. 太空是否值得探索的英语作文 Space Exploration太空探索 In recent years, scientists in many parts of the worldhave pooled their money, time and efforts toresearch the space. They launch the satellites, establish the spacestations, and even walk on the moon. Space may hold wonders and mysteries of how theuniverse comes into being, or whether there is lifeon other planets besides Earth. Space exploration is of great significance. First of all, through space exploration, we humanbeing may uncover the unknown resources of the universe. It endows us with knowledge about the origin of life, with which we learn the dangers and makeadventures in science and technology. Secondly, space exploration also provides a platform for nations to cooperate throughparticipation in joint breakthrough. Finally, the space technology plays an indispensable role in our daily life, such ascommunication and transportation technology. In the near future, more nations will get involved in the cause of space exploration. Some questions having intrigued human throughout the centuries are in the list of solution. 人类为什么要探索太空英语作文3 Space exploration is the use of astronomy and space technology to explore outer space. Physical exploration of space is conducted both by human spaceflights and by robotic spacecraft. While the observation of objects in space, known as astronomy, predates reliable recorded history it was the development of large and relatively efficient rockets during the early 20th century that allowed physical space exploration to become a reality. Common rationales for exploring space include advancing scientific research, uniting different nations ensuring the future survival of humanity and developing military and strategic advantages against other countries. Various criticisms of space exploration are sometimes made. Space exploration has often been used as a proxy competition for geopolitical rivalries such as the Cold War. The early era of space exploration was driven by a “Space Race” between the Soviet Union and the United States; the launch of the first man-made object to orbit the Earth, the USSR’s Sputnik 1, on October 4, 1957 and the first Moon landing by the American Apollo 11 craft on July 20, 1969 are often taken as the boundaries for this initial period. The Soviet space program achieved many of the first milestones, including the first living being in orbit in 1957 the first human spaceflight (Yuri Gagarin aboard Vostok 1) in 1961, the first spacewalk (by Aleksei Leonov) in 1965, the first automatic landing on another celestial body in 1966, and the launch of the first space station (Salyut 1) in 1971. After the first 20 years of exploration, focus shifted from one-off flights to renewable hardware, such as the Space Shuttle program, and from competition to cooperation as with the International Space Station (ISS). In the 2000s, the People’s Republic of China initiated a successful manned spaceflight program, while the European Union, Japan, and India have also planned future manned space missions. China, Russia, Japan, and India have advocated manned missions to the Moon during the 21st century while the European Union has advocated manned missions to both the Moon and Mars during the 21st century. From the 1990s onwards, private interests began promoting space tourism and then private space exploration of the Moon. In the 2000s, several plans for space exploration were announced; both government entities and the private sector have space exploration objectives. The NASA Authorization Act of 2010 provides objectives for American space exploration.
求一篇英语作文 太空探索的利与弊要原创 有两篇不用了 用得太多
The advantages and disadvantages of space exploration .
Human beings have worked with the space for decades .From the observation of stars in the sky of ancient people to the first satellite launched into space .From the first spaceship flying into the far space to the first people landed onto the moon .Human beings have done so much with the space .
Why ,you may wonder ,should we did this what advantages did we take of space exploring
For example ,It is because space exploring that I can listen a radio sitting in my room ,I can watch TV at home to get information effectively .I can use a computer in my home to learn things easily without even using a wire,because I'm using a wireless network card .And we have learnt more about the space ,we may find some other energy or resources of the out space .All these are the benifits .
But there are also risks .
First ,the space may be polluted by human beings ,for we have sent so many satellites into the space in the course of exploring .
Then,there may be another horrific truth that we may be found by aliens because of the satellites sent to the far space .This is undoubtedly a disaster for us ,human beings .
As far as human concerns ,we have to endeavour to develop technology to improve our life quality and to protect ourselves from disaters in the future .So althouth there are risks ,we have to go ahead ,we have to explore the space .
不知道你要多少字的,本来打算写个150字的,不小心写了250.希望有用 .是本人原创作品.如果有错误的地方,就改改吧.
international journal of aerospace engineer 是sci吗
International Journal of Aerospace Engineering 指的是国际航空工程师杂志，是SCI，影响因子是0.889。
美国《科学引文索引》（Science Citation Index, 简称 SCI ）于1957 年由美国科学信息研究所（Institute for Scientific Information, 简称 ISI）在美国费城创办，是由美国科学信息研究所(ISI)1961年创办出版的引文数据库。SCI(科学引文索引 )、EI(工程索引 )、ISTP(科技会议录索引 ) 是世界著名的三大科技文献检索系统，是国际公认的进行科学统计与科学评价的主要检索工具，其中以SCI最为重要，创办人为尤金·加菲尔德（Eugene Garfield, September 16,1925～）。
50 多年来，SCI 数据库不断发展，已经成为当代世界最为重要的大型数据库，被列在国际六大著名检索系统之首。另外，随着 ISI 还陆续出版了《社会科学引文索引》（SSCI）和《艺术与人文引文索引》（A&HCI）。它不仅是一部重要的检索工具书，而且也是科学研究成果评价的一项重要依据。它已成为目前国际上最具权威性的、用于基础研究和应用基础研究成果的重要评价体系。它是评价一个国家、一个科学研究机构、一所高等学校、一本期刊，乃至一个研究人员学术水平的重要指标之一。
SCI所收录期刊的内容主要涉及数、理、化、农、林、医、生物等基础科学研究领域，选用刊物来源于40多个国家，50多种文字，其中主要的国家有美国、英国、荷兰、德国、俄罗斯、法国、日本、加拿大等，也收录部分中国（包括港澳台）刊物。