James Webb Space Telescope COMPLETES Alignment and Setup - MAJOR NEWS!
Автор: Madd World
Загружено: 2022-05-17
Просмотров: 326
The James Webb Telescope was launched with the aim of finding out more about our universe. It is meant to answer a lot of questions that we have been having about our universe and our galaxy. So far, it has been making a lot of progress as it has been aligning its mirrors. This was in preparation before it began operations. But now, with the completion of the alignment, what’s next for the telescope?
Hello everyone, and welcome back to our channel. Today, we are going to talk about the James Webb Telescope and what comes next since it has successfully completed alignment and setup. But before we continue, please take a moment to give this video a thumbs up and subscribe to our channel for more space news. And with that, let’s find out more about this amazing telescope.
We were so grateful to watch the successful launch of the James Webb Space Telescope on December 25, 2021. With the James Webb Telescope, scientists will now be able to look into the earliest stars, the ancient universe, and a lot of other mysteries about the universe that we have never answered. This is expected to go on for the next 20 years. For the past few months, the telescope has been getting ready to begin its official mission.
As you may already know, the telescope has been flying around a spot that is known as L2 (Lagrange 2) for the past few months. This spot is approximately one and a half million kilometers from Earth.
Back in March, about three months after the launch of the telescope, the mirrors had already completed alignment. Around this time, we got to see a beautiful evolution image visibly. The image was that of a random star that was simply selected because it was in the middle of nowhere, and it was not a really bright one either. However, there was nothing really special about this image. It is just proof that the telescope is working.
This image was, however, interesting because all the dots on it are different galaxies. All those dots that you can see are all galaxies, so you can only imagine how many galaxies there are out there. However, remember that this was just a preliminary image that was taken based on a very preliminary observation. So, you can only imagine how many galaxies are going to be discovered once the James Webb Telescope is fully operational.
Some of the astronomers took to Twitter to compare the images to some of the previous observations from other older infrared telescopes. The images posted by Andras Gaspar were pretty interesting because they showed how far we have actually come in just a couple of decades. The first image was that of the Wise Telescope, which was functional about a decade ago, then that of the Spitzer telescope, which was deactivated in 2020, and now that of the active MIRI instruments on the James Webb Telescope, whose mirror size is about 8 times larger than the Spitzer telescope.
If you were to observe the images from the James Webb Telescope, you would notice so many galaxies, and they are pretty much everywhere. Apart from the bright dots, each other dot on the image is a galaxy that is somewhere out there. Furthermore, each image from each instrument has quite a lot of dots on it.
However, in terms of alignment, everything has been given the green light. It seems that the telescope is now ready to begin its operation.
The next few steps will be based on every individual instrument and every individual team that is behind the instrument. This part, which is known as instrument commissioning, is one of the riskier maneuvers yet. This is because it is going to require the telescope to move around. And by changing its orientation, scientists are really trying to minimize the amount of solar radiation that hits the observatory along with the instruments. This is to make sure that the temperature does not change too much, which will ensure that everything stays relatively cool.
Also, every two days, the scientists will be checking the orientation of every single mirror, just to make sure that nothing has happened to them.
But in all this, the most important part is going to start in the summer, which is known as DDERS (Director’s Discretionary Early Release Science Programs). This is a program that has granted about 460 hours of observation to 13 different programs as they kick-start the science program of James Webb. There will be six main topics, which are: galaxies and intergalactic medium, massive black holes and their host galaxies, planets and planet formation, the solar system, stellar physics, and stellar populations.
So, what do you think of the James Webb Telescope? Feel free to let us know in the comments section below. Thanks for watching, and I’ll see you in the next one.
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