https://safirsoft.com It is remarkable that NASA has completed publishing the space telescope on the Internet
"This is an amazing turning point."

For many parts of the world, Saturday was just another weekend filled with all the problems and dangers of the planet. The Omicron epidemic has spread all over the world. New York weathered its first snowstorm of its season. Chaos continues in Kazakhstan and elsewhere

But in space. in the space. On Saturday, a great victory was achieved in space.

After a quarter of a century of tens of thousands of efforts, more than $10 billion in taxpayer budgets, and about 350 dissemination mechanisms that should be scrapped are just gone. Thus, the James Webb space telescope opened its wings completely. The massive spacecraft has completed its final deployment and, God willing, the process has gone smoothly.

Thanks to NASA and the space agencies of Europe and Canada, the world has an amazing new space telescope that humanity can see. Give. He traveled farther in the galaxy than ever before, and may have identified the first Earth-like worlds around other stars.

I can safely say that 99% of the universe does not know, understand, or understand that they do not know. Understand the amount of work, engineering, and paperwork involved in building, launching and deploying the James Webb space Telescope. But we know what we know. We are surprised.

"This is an amazing turning point," said Thomas Zurbuchen, NASA's director of science, after the full deployment, in surprise.

Serious planning began as a replacement for the Hubble space telescope in the 1990s, and scientists were eager to see the early universe far away. To do this, they need a dark, cool environment away from the ground. This is because collecting light from the brightest and most distant objects in the universe requires not only a very large mirror, but also no background interference. Make observations in the infrared part of the spectrum, where wavelengths are slightly longer than red light. This part of the spectrum is useful for detecting heat dissipation and also for wavelengths long enough that they are less likely to be skewed by interstellar dust.

However, this telescope must be extremely cold. Be. In this way, the scientists were able to create a heat shield the size of a tennis court to block sunlight and heat. But since no rocket has a very large launch, this heat shield and telescope must necessarily be folded like origami to fit into the rocket's protective cocoon. Nothing like this has been tried before. It took two decades to build the heat shield, test it and make sure it could be deployed in space.

So, during the launch of the Web telescope on Christmas Day two weeks ago was critical. It was just the beginning of the end of the web's journey from concept to scientific process. As part of the deployment, there were 344 operations in which a single point failure could destroy the telescope. That's a lot of examples with no additional capabilities, which is why many scientists and engineers I've spoken to in recent years feel that the web has a very good chance of failing once in space.

But. Now that the highly complex heat shield is operational. The temperature on the side of the telescope facing the sun is 55°C or a sweltering day in the desert. Now, scientific instruments have cooled the back of the sunscreen to -199 degrees Celsius, the temperature at which nitrogen turns into a liquid. They will keep getting cold.

Of course, the work remains. The Web would still have to travel about 370,000 kilometers to reach orbit around the Lagrangian fixed point, L2. Scientists and engineers check and align the 18 parts of the main mirror. Scientific instruments must be calibrated. But when it comes to science spacecraft, all of this is fairly routine. Sure, there are risks, but they are mostly well-known ones.

So we can now be pretty sure that the web will actually start scientific observations this summer. We have to be really cool.



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