James Webb Space Telescope: Space telescope traveled 15 lakh km

MCC-1A, MCC-1B, MCC-2. James Webb will be sent to a special orbit called 'Second Lagrange Point (L2)'.

Photo: Symbolic image

You left on the last big day. In one month, the space-telescope James Webb reached 1.5 million kilometers away from the earth. He has reached very close to the destination. This time three small twists (mid-course corrections or MCC) have to be given to the satisfaction of its movement. MCC-1A, MCC-1B, MCC-2. James Webb will be sent to a special orbit called 'Second Lagrange Point (L2)'. From where he will observe the infrared rays. Will try to know the time of the Big Bang, that is, the birth of this universe.

The task is not easy. Infrared rays are practically heat rays. As a result, James Webb has to work to keep himself cool. The telescope has warmed up after traveling so far from the European space port in French Guiana on an Ariane-5 rocket. It needs to be cooled first. After that it has to be protected from the heat of the sun.

The strategy in this case is that James Webb rotates the sun in such a way that the earth and the moon are always in between. In this way, James Webb's orbit will be hidden from the sun from the dark side of the earth. In this way it will be able to capture the heat rays coming from the depths of space in a perfect way. If the Sun-Earth-Moon move three heavy objects in one direction and in one line, there will be a balance between the gravitational pull on the telescope and the ball falling out of it. It will also reduce fuel consumption.

We have several lagrange points nearby. L-1 is about 1.5 million kilometers away from the Earth towards the Sun. There are many binoculars to understand the movement of the sun. Although L-4 and L-5 are stable as orbits, L-2 is ideal for James Webb.

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