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James Webb Telescope will travel many millions of miles in space

  • Fine coating prepared in five layers

  • Work on installation of telescope sun shield

  • The device will be installed at a great distance from Earth

  • It is necessary to protect from the scorching heat of the sun

Rashtriya Khabar

Ranchi: James Webb Telescope will travel many millions of miles in space. Its

responsibility is to help in space research in lieu of the Hubble telescope. So there

is a lot of hope among astronomers about the James Webb telescope being

prepared. Now, even after running late due to the deadline due to Corona crisis, it

is now being completed slowly. Under this, the telescope is now being shielded

on the upper layer of this telescope to protect the telescope from the scorching

heat of the sun. Before this, the telescope added one by one has been folded and

placed inside the shield to protect it from the sun rays. This space research

telescope will start its journey this year. It is estimated that it will be placed in

space about 1.5 million kilo Meters away from Earth. From there it will monitor

every movement of space. This device has been made more advanced than

Hubble. To work continuously in space, it is necessary to protect it from the

strong light and heat of the sun. For this reason, a cover of five layers is being put

on it. In size, this shield is as large as a tennis court. It is in the shape of a

diamond. It can bend and fit on either side of this telescope. At this stage, It is

scheduled to be sent to space. According to the predetermined schedule, this

telescope will be sent into space via Ariana 5 rocket. Once the space reaches the

designated location, it will position itself in this orbit based on the signals

received from the control room and come back to its true size. The folding has

been completed at the Norththrop Grumman Center in Redono Beach, California.

James Webb Telescope is more advanced than Hubble 

NASA scientists associated with this work said that this type of cover there in

space is necessary to save the entire device. In particular, this sun shield will

protect the optical instruments installed in it from being destroyed by sunlight. On

the other hand, the mirrors will get heat from the sunlight and protect it from the

cold. The temperature of that place has already been assessed. According to

scientists, the temperature ranges from around 230 degrees Fahrenheit to minus

934 degrees Fahrenheit in the dark. Therefore it is important to protect the James

Webb telescope from this temperature as well. The maximum and minimum

temperature this telescope will withstand has already been tested. Jeff Cheesoom,

the head of the crew who made it to the bar of the shield, said that it was like a

parachute being folded and sent into space. Once there, it will open and start

working. After this shield is turned on, the working temperature inside the vehicle

will always remain and even the most sensitive instruments in the telescope will

not be harmed. This sun shield, which looks like a silver layer, is in five layers

and it has taken close to a month to fold its five layers one by one. Folding it was

also not an easy task as they should be placed in such a way so that after getting

the signal later, they open one by one. This layer has been told that its one layer is

about two thousandths of an inch thin. Such a fine layer is folded with great care.

The five thin layers are folded very carefully

To turn it into space, 90 different types of cables have been installed in it. Care

has been taken to bend such a thin layer and keep it in the correct order. All this

work has been done through machines so that these layers do not cause any

damage at the time of folding. This layer will be opened one by one in the first

week after this telescope is delivered to space. They will separate from each other

to form five layers. After this, it will be involved in its work to protect the entire

James Webb Telescope from the strong light and scorching heat of the sun. Only

after these are fully activated will the James Webb telescope instruments be

switched on after checking them one by one.

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