2023-11-12 16:00:00
Canadian scientists achieved an important milestone in the world of astronomy, astrophysics and space science. Using an image from the James Webb Space Telescope, which groups around 7 thousand galaxies in a single photo, they were able to measure the distances between these star clusters that expand to regions that are 10 billion light years from Earth.
The scientists invite us to consider that their field of work was quite broad, since being able to establish distances between galaxies at 10 billion light years covers almost the entire territory of the visible universe, which is 13.8 billion years old. “The study led by Canada is the first to measure galactic distances in the image,” reports the study led by Canada is the first to measure galactic distances in the image.
“Clusters represent ideal targets for future studies to better understand how galaxies and the clusters they inhabit have evolved,” said the scientists who conducted the study.
They explain that they were able to capture the distance thanks to the NIRISS (Near Infra-Red Imager and Slitless Spectrograph) tool, by James Webb, which measures the activity of the universe with an infrared element.
“NIRISS is perfect for doing this because it can measure the redshifts of hundreds of galaxies at once. Our recently published study will be a valuable resource for the astronomical community and open new avenues of research,” said Gaël Noirot, a postdoctoral researcher at Saint Mary’s University in Halifax, Nova Scotia.
The study not only measures the distance between galaxies, but also finds massive new clusters of stars, regarding 4 billion light years away.
Measuring the distances between galaxies is important since this means that they can determine the amount of dark matter between them. Dark matter is the material that makes up 80% of the universe.
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