James Webb Space Telescope : Cosmic cliffs and the blistering birthplace of stars

James Webb Space Telescope (JWST) is a space telescope designed primarily to conduct infrared astronomy. A largest optical telescope in space, its greatly improved infrared resolution and sensitivity allows it to view objects too old, distant, or faint for the Hubble Space Telescope. This is expected to enable a broad range of investigations across the fields of astronomy and cosmology, such as observation of the first stars and the formation of the first galaxies, and detailed atmospheric characterization of potentially habitable exoplanets.

The James Webb Space Telescope (sometimes called JWST or Webb) will be a large infrared telescope with a 6.5-meter primary mirror. The telescope will be launched on an Ariane 5 rocket from French Guiana in 2021.

The Webb telescope will be the premier observatory of the next decade, serving thousands of astronomers worldwide. It will study every phase in the history of our Universe, ranging from the first luminous glows after the Big Bang, to the formation of solar systems capable of supporting life on planets like Earth, to the evolution of our own Solar System.

The Webb telescope was formerly known as the “Next Generation Space Telescope” (NGST); it was renamed in September 2002 after a former NASA administrator, James Webb.

Webb is an international collaboration between NASA, ESA (the European Space Agency), and the Canadian Space Agency (CSA). NASA’s Goddard Space Flight Center in Greenbelt, Maryland, is managing the development effort. The main industrial partner is Northrop Grumman; the Space Telescope Science Institute will operate Webb after launch.

NASA Webb space telescope images

The National Aeronautics Space Administration (NASA) revealed three more images taken from the James Webb Space Telescope along with data of a distant planet’s atmosphere. The first image revealed showed the galaxy cluster SMACS 0723 also known as Webb’s First Deep Field. The image is a composite made from different images taken at different wavelengths. It was made using images taken with the Near-Infrared Camera(NIRCam).

NASA then revealed images of the following targets: Carina Nebula, WASP-96 b (spectrum data), Southern Ring Nebula and Stephen’s Quintet. High-resolution versions of the image are now available on NASA’s website. The spectrum data of WASP-96B revealed the presence of water vapour on the distant exoplanet for the first time.

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