专题3人类对太空的探索(1)(精)

合集下载

1.3 人类对宇宙的新探索

1.3  人类对宇宙的新探索

1.3 人类对宇宙的新探索教学目标:1.了解宇宙探测、开发、保护的现状,理解宇宙探测的意义。

2.了解宇宙资源类型,空间垃圾的产生和清除途径。

3.认识保护宇宙环境对开发、利用宇宙环境的重要意义。

教学重点、难点:1.宇宙探测的意义。

2.保持太空清洁的重要意义。

教学过程:一、宇宙探测的发展:1.宇宙探测的重要发展阶段:2.宇宙探测的意义:⑴.进一步了解地球的宇宙环境:大气层外还有磁层,宇宙中还有大量的X射线、R射线。

⑵.影响和改变着人们的社会生活:军事侦察、空间通信、气象观测,寻找资源、为飞机导航等。

3.我国航天事业发展:起步于50年代中期,现在已步入先进国家行列。

二、开发宇宙:开发丰富的自然资源1.空间资源:从高空迅速、大量收集地球的各种信息。

2.太阳能资源:地球上最重要的能源,研究最大限度地利用太阳能。

3.矿产资源:月岩中有地壳里的全部元素和60种矿藏,还有地球上没有的能源3He,不少小行星富含矿体。

宇宙开发活动,从规模、技术、经济投入上都应走国际合作的道路。

三、保护宇宙环境:1.太空垃圾的产生及危害:工作寿命终止的航天器产生意外或有意爆炸产生的碎片航天员仍出飞船舱外的垃圾危害:破坏正在运行、使用的航天器2.办法和措施:课堂练习:阅读下面文字,回答问题:在浩瀚的太空里,和平号绕地球飞行了光辉的13年,接待了26支科学实验队伍,进行了16500次科学实验。

但近两年来,它经历了多次漏气、失火;工艺和硬件日益地老化……1999年8月28日凌晨5点,和平号轨道空间站结束了它历史上的最后一次科学任务,开始进入无人操作状态。

北京时间2001年3月23日14时0分12秒,它成功坠入南太平洋预定区域。

人类历史上迄今体积最大、应用技术最先进、设施最完善、太空飞行时间最长的空间站最终告别人类,标志着航天史上一个时代的结束。

①.对于工作寿命终止了的和平号轨道空间站,还要花巨资将它带回地球的原因是,清除和平号的另一种办法是。

人类对太空的探索及了解英语作文

人类对太空的探索及了解英语作文

人类对太空的探索及了解英语作文全文共3篇示例,供读者参考篇1The Wonders of Exploring SpaceEver since I was a little kid, I've been fascinated by space. Looking up at the night sky and seeing all those twinkling stars and planets always fills me with a sense of wonder and curiosity. There's so much out there that we still don't understand!I remember learning about the first astronauts who went into space back in the 1960s. Those brave men like Neil Armstrong, Buzz Aldrin and Michael Collins from the Apollo missions were true pioneers. Can you imagine how scary it must have been to climb into a tiny spacecraft and get blasted off into the unknown? I get nervous just flying in an airplane!But those first astronauts paved the way for incredible discoveries and achievements in space exploration over the following decades. We landed rovers on Mars to study the Red Planet and drive around on its surface. We sent probes out to explore the farthest reaches of our Solar System. And the HubbleSpace Telescope sent back mind-blowing pictures of distant galaxies, nebulae, and other amazing cosmic wonders.While unmanned missions have taught us so much, I think there's nothing quite as exciting as when a human gets to travel into space. That's why I was absolutely glued to the television a few years ago when astronauts from NASA and SpaceX were launching from U.S. soil for the first time since the Space Shuttle program ended. Watching that powerful rocket take off and disappear into the clouds gave me chills!Living and working in the International Space Station seems both thrilling and terrifying to me. On one hand, you get to float around in microgravity and look out the windows at the entire Earth down below. But on the other hand, you're isolated from everybody except your crewmates for months at a time in a tiny metal can hurtling through the vacuum of space. I'm not sure I'm brave enough for that!Still, I have so much respect and admiration for the astronauts who take on those challenges to learn more about how we could one day travel to other planets and maybe even other stars. The more we understand about spacewalking, growing food, recycling air and water, and protecting againstcosmic radiation, the better our chances of sustaining human exploration far beyond Earth.Mars is definitely the planet that most intrigues me when I think about future space travel. It's eerily similar to Earth in some ways, with clouds, polar caps, and signs that water may have flowed on the surface long ago. But Mars is also a desolate, radiation-soaked world today with extreme cold that would freeze you in a matter of minutes if you tried to walk around outside without a protective suit.NASA has launched a bunch of Mars rovers like Perseverance to scoop up rock samples that could finally answer the question of whether there was ancient microbial life on the Red Planet. The dream is that one day we'll be able to send those samples back to Earth for scientists to study up close. If they find fossilized microbes or other biosignatures in the Martian rocks, it would be a revolutionary discovery that life once arose on another world besides our own!Looking even farther ahead, landing human explorers on Mars would be an incredible milestone. Just getting there would take at least 6 months using current spacecraft because Mars is so far away - upwards of 140 million miles at its farthest distance from Earth! Future astronauts would have to be well suppliedwith food, water, oxygen and shelter to survive on another planet in a way no human has ever experienced before.To pull off a crewed Mars mission, we'll need new propulsion technologies to get there quicker, plus better shielding to protect astronauts from deep space radiation during the journey. Maybe someday we'll figure out how to create artificial wormholes like you see in the movies to fold space-time and shorten these vast cosmic distances. For now, scientists are still working hard just to send robotic missions to study what conditions are like there.While Mars exploration dominates a lot of the excitement around space right now, I don't want to overlook the mysteries that remain right here in our own solar system. The ice-covered moons of Jupiter and Saturn may have liquid oceans underneath their frozen shells, which could potentially harbor forms of microscopic life. Newly-discovered dwarf planets like Eris, Sedna and Haumea in the outer solar system's Kuiper Belt continue to raise more questions about how our local neighborhood of planets and moons formed billions of years ago.And beyond our solar system, astronomers are uncovering more and more planets orbiting other stars, nicknamed exoplanets. We now know of thousands of these worlds outthere, some potentially rocky and Earth-sized where conditions could allow liquid water to pool on their surfaces. Of course they're all untold billions of miles away, making them impossible to visit with our current level of technology. But just realizing there are so many other planets besides the major ones in our solar system fills me with awe at how vast and diverse the universe truly is.With the launch of the James Webb Space Telescope, we're getting unprecedented looks at exoplanets and the earliest galaxies forming in the first few billion years after the Big Bang. Those crisp, detailed infrared images contain so much valuable data about atmospheres, compositions and the fundamental physics at play. Every new spaceborne observatory pushes our understanding of the cosmos further.In my lifetime, I hope we finally discover concrete evidence that we're not alone in the universe. So far we haven't picked up any credible signals from alien civilizations, but there are teams of scientists diligently searching the skies for potential technosignatures or megastructures that would indicate intelligence elsewhere in our galaxy. What an astounding day it would be to learn we've been joined in space by someone or something else!Even if we end up being the only intelligent species, there is still so much left to explore and comprehend about the endless frontier of space. I want to know what lies beyond the edge of the observable universe almost 100 billion light years away, what the very first stars looked like forming out of the primordial clouds after the Big Bang, and what else is out there bending space-time in ways we can't even fathom yet.I'm counting on future generations of space explorers to keep pushing the boundaries through curiosity, courage and technological innovation. I dream of the day when average people like you and me can take vacations orbiting the Earth or even Mars! Until then, I'll just keep looking up at the stars and dreaming of the wonders that lie out there waiting to be uncovered.篇2Exploring the Great Unknown of SpaceEver since I was a little kid, I've been fascinated by space. Looking up at the night sky filled with twinkling stars and planets always made me feel so small, but also so curious about what's really out there. I had so many questions - what are stars made of?How far away are they? Could there be other planets with aliens living on them?I remember learning about the first astronauts and rocket ships in school and thinking they must be the bravest people ever. Can you imagine being one of the first humans to leave Earth and travel into the unknown of outer space? It must have been both terrifying and incredibly exciting at the same time.The early space missions taught us so much about what's beyond our planet. We learned that the moon doesn't have air or water like Earth, and that it has a much lower gravity that makes everything weigh less. The astronauts did experiments and collected rocks that helped scientists understand what the moon is made of. Some of the coolest footage ever is of the astronauts bouncing around on the moon in their big puffy spacesuits!As we kept launching more advanced rockets and spacecraft, we were able to travel further out and make discoveries about the other planets in our solar system too. We found out that Mars is a red, dusty planet with ice caps and an extremely thin atmosphere. Jupiter is a massive gas giant with a giant storm called the Great Red Spot raging on its surface. Saturn has beautiful icy rings orbiting around it. The pictures captured byprobes and rovers gave us our first real glimpse of these alien worlds up close.But space isn't just about planets and moons. Scientists have used powerful telescopes to peer out into deep space and study galaxies, nebulae, stars, black holes, and more. The Hubble Space Telescope has sent back incredible images of distant galaxies being formed shortly after the Big Bang over 13 billion years ago! It's amazing that we can learn about the origins and evolution of the entire universe by analyzing the light from objects so incredibly far away.Speaking of the Big Bang, that's currently the most widely accepted scientific theory for how the universe as we know it began - as an incredibly hot, dense singularity that violently expanded outwards creating all of space, time, matter and energy. But there's still so much we don't understand, like what came before the Big Bang or what lies past the observable universe. That's why scientists are working on bigger and better telescopes and space observatories to help unlock these cosmic mysteries.Of course, none of these advancements in space exploration would be possible without the brilliant scientists, engineers and astronauts working hard to make it happen. I'm in awe of howmuch effort and ingenuity goes into building rockets powerful enough to escape Earth's gravity, designing spacecraft that can withstand extreme temperatures and cosmic radiation, and developing all the complex technology and computers needed to navigate and communicate from space.I think the coolest part is that space exploration isn't just about satisfying our curiosity - it also leads to important innovations that improve life on Earth too. NASA inventions like memory foam, scratch-resistant lenses, water filters, freeze-dried food, firefighting equipment and many more have all come from the research and engineering for space missions. Understanding more about the Earth's place in the solar system and galaxy has also taught us how rare and precious our planet is.Sometimes it's hard to wrap my head around the immense scale and age of the universe compared to human existence on Earth so far. But I feel so fortunate to live in a time where we already know so much about space, and where our explorations are pushing the boundaries of knowledge and discovery even further every single day.Who knows what mind-blowing mysteries and frontiers lie ahead as humans continue venturing out there amongst the stars and galaxies? With our curiosity and determination, I don'tthink there are any limits to what we can learn and achieve. I can't wait to see where our space journey goes next and what other cosmic wonders will be revealed. To infinity and beyond!篇3Exploring the Great Unknown of SpaceEver since ancient times, humans have looked up at the night sky and wondered about the glittering stars, planets, and moons above. What are they made of? How far away are they? Could other worlds like Earth be out there? For thousands of years, we could only imagine the answers.But in the last century, we've developed powerful rockets that can carry spacecraft out into the inky blackness of space. Suddenly, the mysteries of the cosmos started to become unveiled through robotic probes and daring human voyages. The more we've learned about space, the more amazing andmind-boggling it has become!To begin to understand space, you first need to know the basic objects out there. Our home planet Earth orbits around the Sun, a big ball of hot gas that provides warmth and light. Earth has one Moon, a rocky world covered in craters from long-ago meteor impacts. There are seven other major planets orbiting theSun as well - Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune.The four planets closest to the Sun are rocky and solid, while the four outer planets are made mostly of gases like hydrogen and helium. All of the planets, including Earth, have moons in orbit around them, with Jupiter and Saturn having the most. Our solar system also contains millions of asteroids, chunks of rock and metal that orbit the Sun, as well as icy comets that swing through on elongated paths.Beyond our solar system lie millions upon millions of other stars, which are suns like our own but unimaginably far away. Many of these stars likely have their own families of planets in orbit around them. The stars are grouped together into galaxies, with our Sun being one small star among hundreds of billions in a spiral galaxy we call the Milky Way.And beyond the Milky Way are billions more galaxies, stretching as far as the most powerful telescopes can see, going back almost to the beginning of the entire universe in the Big Bang 13.8 billion years ago. Space is mind-bendingly vast, filled with mysterious wonders we've only begun to glimpse.To explore this cosmic frontier, humans first had to break free of Earth's gravity by building powerful rockets. On July 16th,1969, the brave crew of Apollo 11 became the first people to land on another world when they explored the surface of the Moon.In total, twelve American astronauts walked on the Moon between 1969 and 1972 before the Apollo program ended. They conducted experiments, collected rock samples, and marveled at the stunning view of our tiny blue marble of a home planet suspended in the blackness.While no humans have ventured beyond the Moon yet, hundreds of robotic explorers have unlocked many secrets across the solar system. We've landed probes on Mars, Venus, asteroids, comets, and even faraway dwarf planets out past Neptune.Spacecraft like the Hubble Space Telescope and James Webb Space Telescope have peered deeper into the universe than ever before, capturing galaxies in all stages of formation billions of light-years away. We're slowly piecing together how stars, planets, and galaxies formed after the Big Bang.Through all this exploration, we've discovered that our solar system is an almost unfathomably small corner of an incomprehensibly vast universe. And yet at the same time, itholds profound beauty and endless wonders waiting to be uncovered.For example, the huge planet Jupiter has wildly colorful cloud bands streaking across its surface and a planet-sized storm called the Great Red Spot that has raged for over 300 years. Saturn has breathtakingly beautiful rings made of chunks of ice and rock. Mars has towering volcanoes, dried up riverbeds, and valleys that make it look like another Earth in some ways.There's so much more to learn and explore in the future. We still don't know if life exists anywhere else in the solar system, though places like the oceans under the icy shells of Europa and Enceladus (moons of Jupiter and Saturn) seem potential spots to search. Robotic rovers will keep crisscrossing Mars, with aspirations of humans walking there one day too.Maybe we'll find life on other planets around other stars, either simple microbes or even intelligent alien civilizations. Maybe we'll discover new forms of physics that rewrite our textbooks by studying black holes, neutron stars, and distant galaxies. Or perhaps the search for the origins of the Big Bang itself will reveal surprising new theories about how space, time, and reality began.The exploration of space has profoundly changed how we view ourselves and our place in the cosmos. We now know that we live on a pale blue dot, a tiny oasis of life in an unimaginably vast universe containing hundreds of billions of galaxies. It makes you realize how small and precious our home planet is, while at the same time letting our minds expand to ponder the grandest questions imaginable about space, time, and the nature of existence itself.Space exploration has shown us that there are wonders, risks, and opportunities beyond our cosmic backyard that we have barely begun to glimpse. The future of humans as a multi-world species exploring and settling new frontiers may have only just begun. The endless depths of space are calling to us to keep reaching outward, keep probing the unknown, and keep our inquisitive spirit alive to see what else is out there waiting to be discovered.。

人类进入太空——太空探索故事(1)

人类进入太空——太空探索故事(1)

◎文图 中国科学院国家天文台 郭红锋天文动手做/太空探索与太空望远镜系列——太空探索故事(1)人类进入太空科迷街“天”与“地”是相对的概念。

古人以为离开地面就是天了,现代人也经常分不清“天”的范围和层次。

很多发生在“天”上的事,其实是在地球大气层里,这部分空间还是属于地球的。

出了地球大气层,脱离了地球引力的空间才是“地外太空”。

48我们通常说的“航空”,是指飞机飞行的空间(在地球大气层内,距地面高度一般在30千米以内)。

距地面高度30千米以上、100千米以下,叫做“临近空间”,是“航空”和“航天”的过渡区域。

而距地面100千米以上就是“航天”的领域了,一般又可分为两部分空间,其一是指围绕地球运转的航天器,如人造卫星、空间站、太空望远镜等,它们仍然受到微弱地球引力作用而围绕地球运转;其二是飞往其他星球的航天器,它们完全脱离了地球的引力,进入了地外太空。

航天和航空有什么区别航空航天区域“中国导弹与航天之父”钱学森认为人类飞行活动可以分为三个阶段,即航空、航天和航宇。

他认为航空是在大气层中活动,航天是飞出地球大气层及在太阳系内活动,而航宇(也称宇航)则是飞出太阳系到广袤无垠的宇宙中去航行。

1957年10月4日,苏联发射了世界上第一个人造地球卫星,标志着人类进入了航天时代。

人类进入航天时代美国紧随其后,于1958年1月31日发射了美国的第一颗人造地球卫星(“探险者号”)。

接下来苏联在航天技术方面一直领先,不仅多次进行发射试验,也开始进行返回试验。

1960年8月,苏联首次搭载动植物进入太空并安全返回。

此后,苏联、美国以及其他国家的卫星任务日益复杂,有军事卫星、侦察卫星、通讯卫星、气象卫星、遥感卫星、资源卫星、导航卫星、信息卫星等等。

各种功能的人造地球卫星不仅是大国军事竞争的目标和手段,也为现代科学研究提供了极大的发展空间,带动了各行各业的技术发展和人类生活的现代化进程。

49苏联发射的世界上第一个人造地球卫星首次载人航天1961年4月12日,莫斯科时间上午9时07分,苏联功勋航天员加加林,乘坐“东方1号”宇宙飞船飞上了太空,在最大高度为301千米的轨道上绕地球一周,历时1小时48分钟,于上午10时55分安全返回。

地理 专题3 人类对太空的探索

地理 专题3 人类对太空的探索

专题3人类对太空的探索
一、太空探索的历程
1、国外
1957年,原苏联第一颗人造地球卫星上天
1961年,原苏联的加加林乘坐“东方1号”宇宙飞船完成了人类第一次载人航天飞行
1969年,美国“阿波罗”登月,宇航员阿姆斯特朗在月球上留下了人类第一个足印
2、我国
1970年,我国成功发射第一颗人造地球卫星“东方红1号”
2003年,杨利伟乘坐“神舟五号”载人飞船成功升空,这是我国航天发展史上的里程碑。

2005年,费俊龙、聂海胜乘坐“神舟六号”成功飞向太空,执行多人多天飞行任务。

2008年,神舟七号飞船载有三名宇航员分别为翟志刚(指令长)、刘伯明和景海鹏。

翟出舱。

二、太空探索的意义
1、空间资源:
利用人造地球卫星观测地球,可以迅速、大量收集地球的各种信息。

军事侦察、空间通讯、气象观测、寻找资源、为飞机导航。

建立大型的国际空间站,有人提出在月球或其他星球建立大型太空城,进行太空移民。

2、太阳能资源:
设想在围绕地球轨道上设置太阳能动力站,把太阳能最大限度转变成动能输送回地球。

3、矿产资源:
月球上约有60种矿藏,并富含地球上所稀缺的核燃料氦-3,太阳系许多小行星也富含各种矿体。

4、环境资源:
宇宙空间具有微重力、高真空、强辐射、超低温等特殊条件,可以制造和培育出纯度高、性能独特、质量优异的新物质、新材料和新品种,是难得的进行科学实验的场所。

专题3 人类对太空的探索

专题3  人类对太空的探索

二. 人类探索太空的意义
• 1.探索未知 • 2.资源开发利用: (a)空间资源 (b)太阳能资源 (c)矿产资源 (d)环境资源
利用空间资源
利 用 太 阳 能 资 源
利 用 矿 产 资 源
利用环境资源 太空育种 4.环境资源的特点:
微重力 高真空 强辐射 超低温
经过我国首次载人航天飞船 “神州五号”带入太空育种的。 在哈尔滨培育的这种南瓜品质 好,一般重量在300到400斤, 是名副其实的“巨人”南瓜。

资源分类特点Leabharlann 辽阔应用(举例说说)
人造卫星探测地球信息,军 事侦察,空间通信,气象观 测,飞机导航。 太阳能——动能
空间资源
太阳能资源
矿产资源 环境资源
取之不尽,用之不竭 清洁无污染
具有地球上稀缺的矿产元素 氦—3 (理想的核燃料)
微重力, 高真空, 强辐射, 超低温。
冶金,化工的影响 清洁,大气引力减小 物体材料和生物细胞受 损害, 诱发基因突变,育种 降低热噪声,有利于通 信
三. 太空探索开发趋向
• 讨论交流:
• • • 国际合作的道路 说说今后人类太空探索会有怎样的开 发趋向?
四. 自学专栏
1.动手在时间轴上表示出中国对宇 宙空间进军历程; 2.简单介绍中国的主要航天器,并由 此说说你对中国航天事业发展的认识和 体会。
太空是可以燃烧的
• 1987年2月,“和平号”宇宙空间站 发生了故障——氧气发生器起火了, 燃烧 的火焰并没有自动熄灭,宇航员只好动手 将火扑灭。
1969年
美国 宇宙飞船11号月球上留下人类的第一个足印
原苏 东方1号第一次载人飞船在太空飞行; 1961年 美国启动登月计划 1957年 原苏联 用火箭把第一颗人造地球卫星送上天 1903年 俄国“火箭公式”论证用火箭发射航天器 时间

作文人类对宇宙的探索

作文人类对宇宙的探索

作文人类对宇宙的探索作文: 人类对宇宙的探索一、引言人类自古以来就对宇宙充满了好奇和探索的欲望。

通过科学技术的发展,人类的探索行为逐渐深入到宇宙的更深层次。

本文将从人类探索宇宙的历史、手段和意义三个方面来探讨人类对宇宙的探索。

二、人类探索宇宙的历史人类对宇宙的探索可以追溯到古代文明。

早在古希腊时期,人们就开始观察和研究星象,形成了天文学的雏形。

而随着数学和物理学等学科的兴起,人类对宇宙的认识逐渐深入。

在16世纪,哥白尼提出了日心说,并通过望远镜的发明观察到了木星的卫星。

18世纪末至19世纪初,开普勒、牛顿等科学家的研究奠定了现代天文学的基础。

进入20世纪,人类成功探索了月球、火星,发射了太空探测器,并在1969年成功登月。

三、人类探索宇宙的手段人类探索宇宙的手段可以分为地面观测和太空探测两种。

1. 地面观测地面观测是人类对宇宙进行观测和研究的最早手段之一。

通过建立天文台、使用望远镜等设备,人们观测并记录宇宙中的星体和现象。

地面观测的优点是成本低、易于操作,但受到地球大气、天气等因素的限制,观测精度和范围有限。

2. 太空探测太空探测是近代人类对宇宙进行深入探索的重要手段。

通过发射载人或无人航天器进入太空,人们可以实现对太阳系以及更远星系的观测和探测。

太空探测的优点是可以避免地球大气的干扰,观测精度更高,且可以触及更远的星体。

例如,人类发射的“旅行者”等探测器已经进入了太阳系边缘,发送回了大量珍贵的数据。

四、人类探索宇宙的意义人类对宇宙的探索不仅仅是满足好奇心和求知欲,更有着重要的科学、技术和文化意义。

1. 科学意义宇宙是科学探索的重要领域,通过对宇宙的观测和研究,人们可以更深入地了解自然规律的运行和宇宙的起源。

例如,宇宙大爆炸理论、黑洞理论等重大科学发现都是基于宇宙观测和研究的结果。

2. 技术意义人类对宇宙的探索推动了科技的发展。

从发射器设计和制造到太空探测器的研发,涉及了航天、材料、计算机、通信等多个领域的技术创新。

探索宇宙奥秘:太空探险记(探索宇宙的奥秘作文300字)

探索宇宙奥秘:太空探险记(探索宇宙的奥秘作文300字)

1. 太空,是人类永恒的梦想之地。

自古以来,人类就一直对宇宙充满了无尽的好奇和探索的渴望。

在过去的几十年里,太空探险不断取得突破性进展,让我们对宇宙奥秘有了更深入的了解。

本文将带领读者踏上一段关于太空探险的神秘之旅。

2. 太空探险的起点可以追溯到20世纪60年代,那是人类第一次登月的时刻。

阿波罗11号的成功任务开启了人类探索太空的新篇章。

宇航员尼尔·阿姆斯特朗的那句“这是个人的一小步,却是人类的一大步”成为了历史上最著名的台词之一。

3. 从那之后,人类对太空的探索愈发积极。

联合国成立了太空事务办公室,各大国家也纷纷投入到太空项目中。

宇航员们登上了更多的行星和卫星,收集了大量的科学数据。

我们对太阳系的认识也越来越深入,对其他星系的充满好奇也日益增长。

4. 美国的“旅行者”号探测器是太空探险中的一颗明星。

自1977年发射以来,它已经离开了太阳系,并进入了星际空间。

它携带着一块金唱片,上面记录了地球文明的声音和图像,向外星生命传递人类的问候。

5. 近年来,私人公司也加入到太空探险的行列中。

SpaceX公司的创始人埃隆·马斯克致力于打造可重复使用的火箭,降低太空探索的成本。

他的目标是将人类送上火星,并实现人类在外太空的居住。

6. 除了探索行星和卫星,我们还在努力寻找其他生命存在的证据。

例如,火星上的水资源和微生物化石的可能性引起了广泛的关注。

各国正在计划未来的火星探测任务,希望能够找到更多线索。

7. 此外,太空探索也推动了科技的发展。

航天飞机、国际空间站、卫星通信等技术的突破,都离不开对太空的探索。

这些技术的应用,使我们的生活更加便捷,并且提供了更多商业发展的机会。

8. 太空探险不仅仅是科学上的突破,它还具有深远的意义。

它能够激发人们对未知世界的好奇心和探索精神,促进国际合作和交流。

它也让我们意识到,地球是我们共同的家园,我们需要共同努力保护和珍惜它。

9. 尽管太空探险已经取得了巨大的成就,但我们仍然只是宇宙中微小的一部分。

人类对太空的探索PPT演示课件

人类对太空的探索PPT演示课件
14
二、中国航天事业的发展
1960年,成功发射第一枚探空火箭和第一枚自制 运载火箭.
1970年4月24日“东方红1号”人造卫星发射成 功。这是我国发射的首颗人造卫星. 1975年,我国发射了第一颗返回式人造卫星.卫 星按预定计划返回地面.
15
1975年,我国发射了第一颗返回式人造卫星.卫星 按预定计划返回地面. 1988年,我国发射了第一颗试验性气象卫星“风 云一号”.这是我国自行研制和发射的第一颗极 地轨道气象卫星. 1995年,长征系列运载火箭投入市场,先后为一些 国家发射卫星.
24
“神州5号”
25
“和平号”空间站
国际空间站
26
航天飞机
27
美国天空实验室
28
哈勃太空望远镜
29
四、太空探索的意义
30
利用空间资源
31
利 用 太 阳 能 资 源
32
利 用 矿 产 资 源
33
利用环境资源
原苏联的生物实验卫星
美国宇航员正在进行 月球表面的实验 34
35
11
1971年,原苏联“礼炮1号”空间站 发射上天。
——人类第一个太空空间站
12
1981年,美国的第一架航天飞机试航成功。 (人类的载人航天活动由此进入规模较大、 飞行时间较长的空间探索与试验阶 系的八颗行星。美国的“旅行者1号” 已冲出了太阳系。
随着现代科学技术的发展,人类对宇 宙空间的探索和认识也在不断深入。
6
齐奥尔科夫斯
宇宙航行之父 ;首次提 出用火箭进行宇宙飞行 的设想 ;包括火箭“质 量比”及多级火箭的概 念,从而为航天研究奠 定了理论基础。
7
1957年,原苏联第一颗人造地球卫星 “斯普特尼号”上天。
  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

苏联宇航员——加加林
1969年,美国宇航员阿姆斯特朗乘坐 “阿波罗11号”宇宙飞船登上月球。
——人类第一次踏上了月球
人类的“第一步”
阿波罗登月
人类登月第一人 :阿姆斯特朗
个人的一小步,人类的一大步 (That's one small step for a man, one gaint leap for mankind)」
号”载人飞船成功升空.
2007年10月24日,成功发射嫦娥一号首颗绕月人造卫 星.(西昌卫星发射中心由“长征三号甲”运载火箭发 射升空。运行在距月球表面200千米的圆形极轨道上执 行科学探测任务)
目前我国的嫦娥探月工程正在实施中。
我国计划在2010年前实现宇航员太空行走,之 后在太空建造一个20吨级的空间站.
1988年,我国发射了第一颗试验性气象卫星“风
云一号”.这是我国自行研制和发射的第一颗极 地轨道气象卫星.
1995年,长征系列运载火箭投入市场,先后为一
些国家发射卫星.
1999年11月20日,我国第一艘试验飞船“神州1 号”首发成功。
2003年10月15日,杨利伟乘坐“神州5号”载人
飞船成功升空。 2005年10月12日,费俊龙和聂海胜乘坐“神州6
宇宙航行之父 ;首次提 出用火箭进行宇宙飞行 的设想 ;包括火箭“质 量比”及多级火箭的概 念,从而为航天研究奠 定了理论基础。
1957年,原苏联第一颗人造地球卫星 “斯普特尼号”上天。
——人类从此进入太空时代
1961年,原苏联宇航员加加林乘坐 “东方1号”宇宙飞船在太空飞行了 108分钟。
——人类第一次载人航天
专题3 人类对太空的探索
向往与追求
一、太空探索的历程
肉 眼 观 测
15~16世纪,欧洲天文学家建立了自己的天文台
17
20 世 纪 初
各国建立大口径望远镜,并选择观测条件最佳的台址
千百年来,人类一直向往 穿过地球大气层,去探索 宇宙奥秘
齐奥尔科夫斯
D.1969年
(A )
3.我国第一颗人造地球卫星“东方红1号”发射成功是在 ( B A.1960年 B.1970年 C.1975年 D.1985年 4.我国航天事业的发展,起步于 A.1956年 B.1930年 C.1970年 5.不属于宇宙空间特点的是 A.低辐射 B.高真空 C.资源丰富 (A) D.1960年 D.失重 (A )
三、航天器的类型
国际通讯卫星
我国的风云一号气象卫星
我国的东方红三号通讯卫星
美国的预警卫星
欧洲地球资源卫星
美国“先驱者10号”探测器
美国“旅行者1号”探测器
“神州5号”
“和平号”空间站
国际空间站
航天飞机
美国天空实验室
哈勃太空望远镜
四、太空探索的意义
利用空间资源
利 用 太 阳 能 资 源

本节课掌握的知识点
1、人类探索太空的主要事件。 2、太空资源的类型。 3、开发太空资源的意义
1971年,原苏联“礼炮1号”空间站 发射上天。
——人类第一个太空空间站
1981年,美国的第一架航天飞机试 航成功。(人类的载人航天活动由 此进入规模较大、飞行时间较长的 空间探索与试验阶段)
目前人造航天器已经成功探测了太阳 系的八颗行星。美国的“旅行者1号”
已冲出了太阳系。
随着现代科学技术的发展,人类对宇 宙空间的探索和认识也在不断深入。
二、中国航天事业的发展
1960年,成功发射第一枚探空火箭和第一枚自制 运载火箭.
1970年4月24日“东方红1号”人造卫星发射成
功。这是我国发射的首颗人造卫星.
1975年,我国发射了第一颗返回式人造卫星.卫
星按预定计划返回地面.
1975年,我国发射了第一颗返回式人造卫星.卫 星按预定计划返回地面.
利 用 矿 产 资 源
利用环境资源
原苏联的生物实验卫星
美国宇航员正在进行 月球表面的实验
1.世界上第一颗人造卫星上天,开创了太空观测、研究地球 和整个宇宙的新时代,其时间及发射的国家是 ( A) A.1957年 原苏联 B.1975年 俄罗斯 C.1857年 美国 D.1957年 美国 2.世界第一架航天飞机试航成功是在 A.1981年 B.1957年 C.1975年
相关文档
最新文档