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Galaxy groups hiding in the universe's emptiest places

Galaxy groups hiding in the universe's emptiest places
Phys.org Wednesday 01 July 2026, 11:20 UTC 1 min read
Key Points

Imagine standing in the emptiest place the universe has to offer, a stretch of cosmic ocean so vast that light takes tens of millions of years to cross it, and yet still finding company. That is the puzzle behind a new study built on the Calar Alto Void Integral field Treasury surveY, or CAVITY, posted to the arXiv preprint server.

Imagine standing in the emptiest place the universe has to offer, a stretch of cosmic ocean so vast that light takes tens of millions of years to cross it, and yet still finding company. That is the puzzle behind a new study built on the Calar Alto Void Integral field Treasury surveY, or CAVITY, posted to the arXiv preprint server.
the Calar Alto Void Integral (LOCATION) Treasury (ORG) CAVITY (ORG)
Originally published by Phys.org Read original →

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