The NASA Hubble Space Telescope imaged galaxy cluster CL0016+1609, which X-ray observations revealed as two clusters merging.

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Galaxy cluster CL0016+1609 (MACS J0018.5+1626)

Who

NASA Hubble Space Telescope, researchers, RELICS survey

What

The NASA Hubble Space Telescope imaged galaxy cluster CL0016+1609, which X-ray observations revealed as two clusters merging.

When

Thu, 18 Jun 2026 20:00:04 GMT · 15h 20m ago

Where

Galaxy cluster CL0016+1609 (MACS J0018.5+1626) ·

Why

Researchers observed CL0016+1609 to measure its dark matter distribution, study the merger, and identify distant gravitationally lensed galaxies.

The Frontline Impact

How this affects you

This data advances understanding of galaxy cluster mergers, dark matter distribution, and the large-scale structure of the universe.

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