By the way, these galaxies together are called ‘Arp 298’. He got this name from the name of astronomer ‘Halton Arp’. He has made a list of strange galaxies, including ‘Arp 298’. It is called an atlas. The atlas has a gallery of strange and wonderful galaxies. The structures of all these are quite different. NASA has told that out of the two galaxies interacting in Arp 298, NGC 7469 is the bigger galaxy. It also has massive black holes and a cluster of bright ring stars.
Scientists study such galaxies to understand how the supermassive black hole at their center can form stars. To capture this image, the Hubble Space Telescope used two of its instruments – the Wide Field Camera 3 and the Advanced Camera for Surveys 7 filters. NASA says that this will be the first system, which will be seen by the James Webb Telescope.
This project of James Webb Space Telescope has been started jointly by NASA, European Space Agency and Canadian Space Agency. This telescope was launched on 25 December from Ariane-5 rocket. After being released into space, this telescope slowly began to open itself. Now it is in its final stage. However, it will take some time for this telescope to be fully operational. Until then, the Hubble Telescope will continue to do its job. Significantly, the James Webb Space Telescope will replace the Hubble Telescope in space.
At present, the Hubble Space Telescope is the most powerful telescope in space. For the past 30 years, it has given astronomers great information. After a long time, the need was felt to change it. Both NASA and ESA (European Space Agency) had a role in completing the Hubble project.
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