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Scientists Discover a Giant Galaxy Cluster 32 Times Larger Than the Milky Way
A newly discovered galaxy cluster, dubbed JADES-ID1, is challenging current cosmological models. This massive structure is estimated to be 32 times the size of our Milky Way galaxy and formed much earlier in the universe’s history than previously thought possible.
Collaboration Between JWST and Chandra Reveals Secrets
The revelation of JADES-ID1 was made possible thru the combined power of two space telescopes:
* The James Webb Space Telescope (JWST) utilized its infrared instruments to detect at least 66 gravitationally bound galaxies within the region. https://www.nasa.gov/missions/webb/jades-id1-galaxy-cluster/
* The Chandra X-ray Observatory detected X-ray emissions from a vast cloud of hot gas enveloping these galaxies. https://chandra.harvard.edu/photo/2024/jades-id1/
This hot gas can only be detected if it’s at extremely high temperatures, indicating a substantial mass. Chandra’s detection of these X-rays provides strong evidence that JADES-ID1 is a single, enormous cosmic structure, rather than a random collection of galaxies.
A “Monster” Cosmic Structure Challenging theory
Astronomers estimate JADES-ID1 has a mass equivalent to 20 trillion times the mass of the Sun and spans approximately 1.1 million light-years. https://www.space.com/giant-galaxy-cluster-jades-id1-early-universe
The puzzle lies in its age.Most cosmological models predict that protoclusters of this size should only begin to form between 2 and 3 billion years after the Big Bang. Though, JADES-ID1 already existed when the universe was only about 1 billion years old. This early formation challenges our understanding of how large-scale structures develop in the universe.
Researchers believe that further study of JADES-ID1 will provide valuable insights into the early universe and the processes that drive galaxy and cluster formation. The discovery highlights the importance of combining data from multiple observatories to unravel the mysteries of the cosmos.