Last year on the occasion of Christmas, the James Webb Space Telescope was launched with the help of Ariane-5 rocket. Since then scientists have passed it through several phases. Just a month after launch, the telescope reached Lagrange Point 2 (L2), about 1.5 million kilometers from Earth. From here this telescope will keep an eye on interesting events of the universe. From the point of view of gravity, L2 is the stable point in space.
The project’s chief scientist, John Mather, recently said that the telescope’s “instrument is in cooling” but has begun to detect individual particles of light (photons). According to a report in Space.com, Nobel laureate and astrophysicist John Mather said that there were no images yet to show the world. But we expected the images to be developed soon.
In a statement, NASA said that the telescope-commissioning process is more time-consuming than previous space telescopes, because James Webb’s primary mirrors have 18 individual mirror segments. It will take about five more months for James Webb to go through a rigorous commissioning process to actually start his work. Its images are expected to be different from those taken by the Hubble Telescope. This is because James Webb will see things largely in the infrared. In contrast, the Hubble Telescope uses different infrared wavelengths with visible light.
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