
Space telescope images of distant galaxies James Webbusing as a magnifying glass … Pandora’s astral box.
The telescope took a magical picture of the Pandora Cluster (also known as Abell 2744), where three massive clusters of galaxies merge to form a megacluster.
It’s a huge universe…
Webb’s new take on the Pandora Cluster combines 4 images into a panorama showing 3 separate clusters of galaxies merging into a megacluster and about 50,000 near-infrared light sources. https://t.co/WOYTvm6pSa pic.twitter.com/0dLHKLMe6h
— NASA Webb Telescope (@NASAWebb) February 15, 2023
The combined mass of galaxy clusters creates something like a magnifying glass, essentially magnifying the objects behind them.
This phenomenon, called gravitational focusing, makes it possible to see very distant, old, and dim galaxies. This is important because in this way scientists can study elements of the early universe that they would not be able to find otherwise.
The James Webb Space Telescope has already taken many pictures of the deepest depths of the universe since it began its observations in July.
Previous images of the Pandora Cluster were taken from the Hubble Space Telescope. Now, with the help of James Webb, infrared light is showing details never before seen by the human eye.
Note that some of the galaxies are red and distorted. This is because the mass and gravity of the megacluster in the foreground actually enlarges and distorts the more distant galaxies in the background. pic.twitter.com/idxwPjKJMt
— NASA Webb Telescope (@NASAWebb) February 15, 2023
UCOVER astronomers spent 30 hours using Webb’s unique infrared camera to take these images.
In addition to the dots of light representing various galaxies, the hundreds of red lines of light visible in the image represent galaxies that Hubble was unable to capture.
Due to gravitational focusing, more distant galaxies look different (as washed out red lines) than the galaxies in the foreground of the image. There are 50,000 near infrared light sources in the image.
The science team will then analyze the data from this image and decide which galaxies to continue studying next summer to better understand the early universe.
According to CNN
Source: Kathimerini

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