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The galaxy cluster SMACS 0723, captured by the James Webb Space Telescope, appears as it did 4.6 billion years ago.
James Webb Space Telescope
- The primary purpose of the James Webb Space Telescope (JWST) is to carry out infrared astronomy.
- A branch of astronomy known as infrared astronomy focuses on using Infrared Radiation (IR) to observe and study celestial objects.
- JWST was developed under the direction of the U.S. National Aeronautics and Space Administration (NASA) in cooperation with the European Space Agency (ESA) and the Canadian Space Agency (CSA)
SMACS 0723
- The image is known as SMACS 0723.
- It has a large galaxy cluster that is 4 billion light-years away and is used as a sort of cosmic telescope by astronomers.
Galaxy cluster
- A galaxy cluster, also known as a cluster of galaxies, is a formation made up of hundreds to thousands of galaxies that are gravitationally coupled to one another.
Pic Courtesy: Indian Express
Content Source: Indian Express