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Hubble glimpses merging galaxy clusters
- June 18, 2026 at 8:00 PM
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This NASA Hubble Space Telescope image features a galaxy cluster called CL0016+1609, or MACS J0018.5+1626, that is very bright at X-ray wavelengths and is one of the most extensively studied clusters at X-ray and radio wavelengths. X-ray observations of this cluster revealed that it is two clusters merging along our line of sight.
Originally published at Phys.org