Galaxies do not orbit each other due to the expansion of the universe.
the verdict
REFUTED
the evidence says no
confidence 14/100
The claim is refuted because gravitationally bound systems, such as binary galaxies and merging black holes, routinely orbit and interact with each other even in an expanding universe.
Evidence against · 2
Electromagnetic counterparts to massive black-hole mergers.
2022 · cited by 4
This paper discusses massive black hole binaries and mergers, demonstrating that bound galactic systems do interact and merge despite cosmological expansion.
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More against · 1
Primordial black holes and their gravitational-wave signatures.
2025 · cited by 3
This paper examines primordial black holes and binary black hole mergers, confirming that gravitationally bound structures exist and interact within the expanding universe.