Dark matter ring in galaxy cluster

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Dark matter ring in galaxy cluster

Dark matter ring in the galaxy cluster CI 0024+17, Hubble Space Telescope image. The ring is seen surrounding a central concentration of dark matter (coloured blue here). Dark matter does not emit or reflect light, so is hard to detect, but it is thought to make up much of the universe. The distribution of dark matter in the cluster was worked out by observing the effects of the clusters gravity on the appearance of galaxies far beyond it, a phenomenon known as gravitational lensing. The distant galaxies are seen as distorted blue smears, while the cluster galaxies are bright yellow. Data gathered by the Advanced Camera for Surveys on the HST in November 2004. See R932/062 for the cluster in normal light, and R900/106 for a graphic showing the rings formation

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Media ID 6443189

© M J JEE, H FORD/NASA/ESA/STScI/SCIENCE PHOTO LIBRARY

2004 Advanced Camera For Surveys Annular Astrophysical Astrophysics Cosmological Cosmology Dark Matter Distorted Distribution Galaxies Galaxy Hubble Space Telescope Lens Magnified Ring Telescope Universe Warped Ring Shaped

FEATURES IN THESE COLLECTIONS

> Science > Space Exploration > Galaxies

> Science > Space Exploration > Hubble Telescope

EDITORS COMMENTS
This print showcases a remarkable phenomenon in the vastness of space - a dark matter ring encircling a galaxy cluster known as CI 0024+17. Dark matter, which cannot emit or reflect light, remains elusive and challenging to detect. However, it is believed to constitute a significant portion of our universe's composition. To unravel the distribution of dark matter within this cluster, scientists employed gravitational lensing - an effect where the gravity of massive objects bends and distorts light from distant galaxies beyond the cluster. These distant galaxies appear as mesmerizing distorted blue smears in contrast to the bright yellow hue emitted by the cluster's own galaxies. The Hubble Space Telescope's Advanced Camera for Surveys captured this awe-inspiring image in November 2004. The annular shape of the dark matter ring magnifies its enigmatic nature, leaving us marveling at its mysterious presence amidst cosmic expanse. As we delve deeper into astrophysics and cosmology in the 21st century, images like these offer glimpses into hidden realms that continue to perplex and intrigue us. This photograph serves as a testament to humanity's relentless pursuit of understanding our universe's secrets while reminding us that there is still much more waiting to be discovered beyond what meets the eye.

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