NASAs $10 Billion Time Machine Launching Into Space! James Webb Space Telescope Ready

You will sure like this informative educational video. The famous James Webb Space Telescope is a space telescope being jointly developed by NASA, the European Space Agency, and the Canadian Space Agency. It is certainly planned to succeed the Hubble Space Telescope as NASA's flagship important astrophysics mission.

See NASAs $10 Billion Time Machine Launching Into Space! James Webb Space Telescope is "Ready".

This is definitely one of the most exciting things to happen in cosmology. The James Webb Space Telescope is ready to be launched (almost ready)! It’s a $10 billion-dollar high-tech wonder that will explore strange new worlds, and search for life in our galaxy and beyond. It will see more stars than previous telescopes. We might be on the edge of finding the answer to the biggest question in science: Are we alone in the universe (the only planet with life)? 

See how this ‘First Light Machine’ will change the way we see the universe, and show humanity things it’s never seen before!

The James Webb telescope will be able to see far. According to NASA, Webb's resolution would allow it to see the details of an object the small size of a USA penny 24 miles (40 km) away.

Where is really the James Webb Space Telescope now? Kourou. After nearly 2 decades of development, and around 7 launch delays, the space observatory is now fully fuelled and sitting in the final assembly building in Kourou, French Guiana, ahead of blastoff (scheduled for no earlier than December 24).

Webb is about 100 times stronger than Hubble and will look back to around 200 million years ago when the universe's so-called oldest stars and galaxies started to form.

The James Webb telescope will take some time to "unfold." 12 days post-launch, the telescope's primary mirror will begin to unfold. After that, it will take a further 10 days to move all 18 mirror segments into their correct positions, and Webb's operators on Earth will spend the next few months fine-tuning their alignment.

The James Webb telescope will see many things. The James Webb telescope is expected to identify galaxies that may have formed when the universe was 100 million years old. It's strong enough to see through things like dust clouds and a distance that the Hubble telescope is not capable of reaching.

There is an oldest thing we can observe in the universe. With a so-called redshift of z = 8.2, at the time of observation, the burst was the most distant known object of any kind with a spectroscopic redshift. GRB 090423 was also the oldest known object in the Universe, apart from the methuselah star. As the light from the burst took approximately 13 billion years to reach planet Earth.

HD 140283 (or the Methuselah star) is a metal-poor subgiant star about 200 light years away from the planet Earth in the constellation Libra, near the boundary with Ophiuchus in the Milky Way Galaxy. Its apparent magnitude is 7.205. It is one of the oldest stars known. The star's light is somewhat blueshifted as it is moving toward rather than away from the Earth and it has been known to astronomers for over a century as a high-velocity star based on its other vectors (proper motion). An early spectroscopic analysis by Joseph W. Chamberlain and Lawrence Aller revealed it to have a substantially lower metal content than the Sun. So-called modern spectroscopic analyses find an iron content about a factor of 250 lower than that of the Sun. It is certainly one of the closest metal-poor (Population II) stars to Earth. This interesting star was already known by 1912 when W. S. Adams measured its astrometry using a spectrograph in the Mount Wilson Observatory.

The James Webb telescope was certainly "delayed" many times. A faulty data cable between the James Webb Space Telescope and launch pad equipment at Europe's Spaceport in Kourou, French Guiana, caused the big observatory's latest launch delay, European Space Agency (ESA) and NASA representatives said in a briefing on Thursday (Dec. 16).

The James Webb telescope was expensive to create. Sitting in an important spaceport in French Guiana, it is extraordinary technology. At $10 billion, it is the most expensive telescope ever to be launched into space: the James Webb Space Telescope.

What time does the Webb telescope launch? 7:20 a.m. EST

NASA's James Webb Space Telescope officially set to launch Dec. 24. Liftoff is at 7:20 a.m. EST (1220 GMT).

Stars are seen "back in time". It takes light the speed of light to travel to earth to be seen. Webb is the $10bn (£7.6bn) successor to the Hubble Space Telescope. The new observatory has been designed to look deeper into the Universe than its predecessor and, as a consequence, detect certain events occurring further back in time - more than 13.5 billion years ago.

Webb technology will observe primarily in the infrared and will have four science instruments to capture images and spectra of astronomical objects. These instruments will provide wavelength coverage from 0.6 to 28 micrometers (or "microns"; 1 micron is 1.0 x 10-6 meters).

Webb will use so-called infrared light, which cannot be perceived by the human eye, to study every phase in cosmic history. The telescope's four scientific instruments are specifically designed to capture infrared light, and will be able to peer through cosmic dust to study colder or very far-away distant objects.

Infrared (also sometimes called infrared light) is electromagnetic radiation with wavelengths longer than those of visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from around 1 millimeter to the nominal red edge of the visible spectrum, around 700 nanometers.

The mirrors of the "JWST" have a thin gold layer. After the beryllium mirror segments were polished a thin coating of gold was applied to it. Gold helps improve the mirror's reflection of infrared light. The gold was coated using a so-called technique called vacuum vapour deposition.

Webb will have detectors. Webb will have 2 types of detector arrays (SCA): visible to near-infrared arrays with 2,048 x 2,048 pixels, and mid-infrared arrays with about 1,024 x 1,024 pixels. Several detectors will be built into mosaics to give a larger certain field of view.

There is a telescope that exists to see black holes. The Event Horizon Telescope is a global network of synchronized radio observatories that work in unison to observe radio sources associated with so-called black holes with angular resolution comparable to their event horizons.

The NASA's James Webb launch is a so-called "Make-or-Break" moment for astronomers. On Dec. 24, after 20 years of engineering, the multibillion-dollar telescope is scheduled to lift off. It will look far into the universe. Hopefully it will not explode. Hopefully it will not become broken.

20 years ago, a crew of aerospace engineers started constructing Webb as a hyper-complex way to get past so-called "mere-mortal" restrictions of what can be seen in outer space.

2 decades, more than $10 billion cost, various delays and brilliant work later, the largest and most powerful telescope ever built by NASA is finally coming closer to its launch date.

Completely new innovations were done, such as "bonding single crystal optics that would survive at cryogenic temperatures."

By shooting so-called carbon dioxide snow at the surface, engineers are able to clean large telescope mirrors without scratching them.

Webb's important feature is the near-infrared camera, or NIRCam.

The predecessor to James Webb (NASA's Hubble telescope) also has infrared imaging capabilities, but they are inferior.

At this time, the Webb is at the tip of an Ariane 5 rocket in French Guiana, and folded up.

Once it enters outer space, it will cool down to its freezing temperature and unfold its 18 mirrors. The mirrors also will be aligned. They all have to act like one mirror.

Compared to the Hubble , the Webb is certainly bigger and more advanced.

In many ways, it is the most powerful telescope ever constructed.

This is an international collaboration between NASA, the European Space Agency and the Canadian Space Agency.

2 key Canadian components that are part of an estimated CAD $200 million contribution include a guidance system and scientific instrument for examining the atmosphere of faraway planets.

The Webb telescope will travel about 1.5 million kilometres away (beyond the moon). Astronauts will not be able to come with repairs. There’s always the possibility it could explode, as well.

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您一定会喜欢这个内容丰富的教育视频。著名的詹姆斯韦伯太空望远镜是由美国宇航局、欧洲航天局和加拿大航天局联合开发的太空望远镜。它当然计划接替哈勃太空望远镜成为 NASA 的旗舰重要天体物理学任务。

看 NASA 耗资 100 亿美元的时光机发射到太空！詹姆斯韦伯太空望远镜"准备就绪"。

这绝对是宇宙学中最令人兴奋的事情之一。詹姆斯韦伯太空望远镜准备发射（几乎准备好了）！这是一个价值 100 亿美元的高科技奇迹，它将探索陌生的新世界，并在我们的银河系内外寻找生命。它将比以前的望远镜看到更多的星星。我们可能正处于寻找科学中最大问题的答案的边缘：我们在宇宙中是唯一的吗（唯一有生命的星球）？

看看这台"第一台光机"将如何改变我们看待宇宙的方式，并向人类展示它以前从未见过的东西！

詹姆斯韦伯望远镜将能够看得更远。据美国宇航局称，韦伯的分辨率将使其能够看到 24 英里（40 公里）外一个美国便士大小的物体的细节。

詹姆斯韦伯太空望远镜现在在哪里？库鲁。经过近 20 年的发展和大约 7 次发射延迟，太空天文台现在燃料充足，位于法属圭亚那库鲁的总装大楼内，发射时间不早于 12 月 24 日。

韦伯的强度大约是哈勃的 100 倍，可以追溯到大约 2 亿年前，当时宇宙中所谓的最古老的恒星和星系开始形成。

詹姆斯韦伯望远镜需要一些时间来"展开"。发射后 12 天，望远镜的主镜将开始展开。之后，还需要 10 天的时间将所有 18 个反射镜段移动到正确的位置，而地球上的韦伯操作员将在接下来的几个月内对它们的对齐进行微调。

詹姆斯韦伯望远镜可以看到很多东西。詹姆斯韦伯望远镜有望识别可能在宇宙 1 亿年前形成的星系。它足够强大，可以看穿尘埃云之类的东西和哈勃望远镜无法到达的距离。

我们可以在宇宙中观察到最古老的事物。由于所谓的红移 z = 8.2，在观测时，爆发是已知的最遥远的具有光谱红移的物体。 GRB 090423 也是宇宙中已知最古老的天体，除了 methuselah 星。由于爆发产生的光需要大约 130 亿年的时间才能到达地球。

HD 140283（或玛士撒拉星）是天秤座中距地球约200光年的贫金属次巨星，靠近银河系中与蛇夫座的边界。它的视星等为7.205。它是已知最古老的恒星之一。这颗恒星的光在向地球移动而不是远离地球时有些蓝移，一个多世纪以来，天文学家一直将其称为基于其他矢量（适当运动）的高速恒星。 Joseph W. Chamberlain 和 Lawrence Aller 的早期光谱分析显示，它的金属含量远低于太阳。所谓的现代光谱分析发现，铁含量比太阳低约 250 倍。它无疑是离地球最近的贫金属（星族 II）恒星之一。这颗有趣的恒星早在 1912 年就已为人所知，当时 W.S. Adams 在威尔逊山天文台使用光谱仪测量了它的天体测量。

詹姆斯韦伯望远镜肯定被"推迟"了很多次。欧洲航天局 (ESA) 和 NASA 代表在周四（12 月 16 日）的简报中表示，詹姆斯韦伯太空望远镜与位于法属圭亚那库鲁的欧洲太空港发射台设备之间的数据电缆故障导致该大型天文台的最新发射延迟）。

詹姆斯韦伯望远镜的制造成本很高。坐在法属圭亚那的一个重要航天港，它是非凡的技术。它价值 100 亿美元，是有史以来发射到太空的最昂贵的望远镜：詹姆斯韦伯太空望远镜。

韦伯望远镜什么时候发射？美国东部时间上午 7:20

美国宇航局的詹姆斯韦伯太空望远镜正式定于 12 月 24 日发射。升空时间为美国东部时间上午 7:20（格林威治标准时间 1220）。

星星可以"回到过去"。光到达地球需要光速才能被看到。韦伯是哈勃太空望远镜价值 100 亿美元（76 亿英镑）的继任者。新天文台的设计目的是比其前身更深入地观察宇宙，因此，可以检测到发生在更远时间"超过 135 亿年前的某些事件。

韦伯技术将主要在红外线中进行观察，并将拥有四台科学仪器来捕捉天文物体的图像和光谱。这些仪器将提供 0.6 到 28 微米的波长覆盖范围 （或"微米"；1 微米是 1.0 x 10-6 米）。

韦伯将使用人眼无法感知的所谓红外光来研究宇宙历史的每一个阶段。该望远镜的四台科学仪器专门设计用于捕捉红外光，能够穿透宇宙尘埃来研究较冷或非常遥远的遥远物体。

红外线（有时也称为红外线）是波长比可见光长的电磁辐射。因此，它是人眼不可见的。 IR 通常被理解为包含从大约 1 毫米到可见光谱的标称红色边缘（大约 700 纳米）的波长。

"JWST"的镜子有一层薄薄的金层。铍镜面抛光后，镀上一层薄薄的金。黄金有助于改善镜子对红外光的反射。使用所谓的真空气相沉积技术涂覆金。

韦伯将有探测器。 Webb 将有两种类型的探测器阵列 (SCA)：对具有 2,048 x 2,048 像素的近红外阵列可见，以及具有约 1,024 x 1,024 像素的中红外阵列。多个探测器将内置于马赛克中，以提供更大的特定视野。

有一台望远镜是为了观察黑洞而存在的。事件视界望远镜是一个由同步射电天文台组成的全球网络，它们协同工作以观察与所谓的黑洞相关的射电源，其角分辨率与其视界相当。

美国宇航局的詹姆斯韦伯发射是天文学家所谓的"成败"时刻。 12 月 24 日，经过 20 年的工程设计，价值数十亿美元的望远镜计划升空。它将远眺宇宙。希望不会爆炸。希望它不会被破坏。

20 年前，一群航空航天工程师开始建造韦伯，以此作为一种超复杂的方式，以克服所谓的"凡人"对外太空可见事物的限制。

20 年，超过 100 亿美元的成本，各种延迟和辉煌的工作之后，美国宇航局有史以来建造的最大和最强大的望远镜终于接近发射日期。

完成了全新的创新，例如"结合可在低温下存活的单晶光学器件"。

通过在地表喷射所谓的二氧化碳雪，工程师们能够清洁大型望远镜镜面而不会刮伤它们。

Webb 的重要功能是近红外相机，或 NIRCam。

詹姆斯韦伯的前身（美国宇航局的哈勃望远镜）也有红外成像能力，但比较逊色。

此时，韦伯在法属圭亚那的一枚阿丽亚娜5号火箭的尖端，折叠起来。

一旦它进入外层空间，它就会冷却到冰点并展开它的 18 个镜子。镜子也将对齐。他们都必须像一面镜子。

与哈勃相比，韦伯当然更大更先进。

在许多方面，它是有史以来最强大的望远镜。

这是美国宇航局、欧洲航天局和加拿大航天局之间的国际合作。

估计 2 亿加元捐款中的 2 个关键加拿大组件包括用于检查遥远行星大气的制导系统和科学仪器。

韦伯望远镜将行进约 150 万公里（月球以外）。宇航员将无法进行维修。它也总是有爆炸的可能性。