News! After launch, the James Webb Telescope has a vital maneuver to make its way. This is necessary. The telescope was launched on December 25, 2021, at 7:20 a.m. EST on the ESA spaceport in French Guiana. According to NASA, James began performing a rather dangerous maneuver 12 hours and 35 minutes after launch. The spacecraft then performed an engine burn that began at 7:50 p.m. EST and ended at 8:55 p.m. EST. The maneuver is quite risky, but it ended well according to the latest data from NASA. After this maneuver, the telescope will have to make other maneuvers along the way, some smaller ones, to be able to keep its way straight. 

Yes, until it starts to offer us the spectacular images from space, James has to complete a month-long journey (30 days), now he only has 29 days left. It must reach a point called Lagrange 2 or L2 Earth-Sun. So far we know that the telescope is at a distance of over 140,000 miles from Earth, meaning over 226,000 km from Earth. That means it has completed 15% of its way. The distance to that point must reach one million km. distance from the Earth, somewhere on the opposite side of the Sun. You will say that it has a little more, but it is not so, it still has a lot to do during the flight and it still has when it gets there, so if you do all the calculations that NASA has done you will see that there are still 29 days there.

What James is doing now is known by NASA as Mid-Course Correction Burn 1a or MCC1a. This fire is made is the most important of all its way, but also the most dangerous. It is very dangerous because it must be timed in seconds, very well, and with great care. In addition, the maneuver is dangerous for another reason. The reason is that the ship cannot slow down on its own. Why can't? Because, according to NASA, if it stopped, it would mean the return of the one that would immediately lead to their exposure to the Sun. And sun exposure means exposing the elements of the James Webb Telescope to the sun, which are very sensitive, so it could be a disaster. 

After this maneuver, it must execute two more such maneuvers until the end of its journey. It is very difficult to send the telescope to that desired point. This is because it is not just a ship, it is a telescope, which does not have components as powerful as a ship. So the same mission is very dangerous. But once it gets to that point, everything will be better if it follows all the instructions strictly.

Ahead of Webb's crucial moment, President Biden praised the mission in a Twitter message: "Congratulations @NASA and all who made today's launch of the James Webb telescope possible. Webb is a shining example of the power of what we can accomplish when we dream big. We've always known that this project would be a risky endeavor, but with big risk comes big rewards." Biden wrote on twitter. 

We wish Webb continued success in his journey, but also for all those who make this mission possible! 

Article by: Andacs Robert Eugen, on 26 December 2021, at 03:06 am Los Angeles time

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