For decades, the Hubble Space Telescope and ground-based telescopes have provided us with spectacular images of galaxies. This all changed when the James Webb Space Telescope (JWST) launched in December 2021 and successfully completed commissioning during the first half of 2022. For astronomers, the
in December 2021 and successfully completed commissioning during the first half of 2022. For astronomers, the universe, as we had seen it, is now revealed in a new way never imagined by the telescope’s Near-Infrared Camera instrument.
For researchers, the PEARLS program’s images of the earliest galaxies show the amount of gravitational lensing of objects in the background of massive clusters of galaxies, allowing the team to see some of these very distant objects. In one of these relatively deep fields , the team has worked with stunning multicolor images to identify interacting galaxies with active nuclei.
The team focused on the North Ecliptic Pole time domain field with the Webb telescope — easily viewed due to its location in the sky. Windhorst and the team plan to observe it four times. “The JWST images far exceed what we expected from my simulations prior to the first science observations,” Summers said. “Analyzing these JWST images, I was most surprised by their exquisite resolution.”
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